CN1351302A - Product Linking Method for Electronic Trading - Google Patents

Abstract

A product linking method for electronic transaction is applied to an electronic transaction system for the transaction between buyer and supplier, and the electronic transaction system has a product database containing the specification data and transaction data of the product to be traded, and includes a product classifying step for classifying the product into multiple classification items by the electronic transaction system for the buyer to select the product, a classification item selecting step for the buyer to select a specific classification item, and a specific product selecting step for the buyer to select a specific product from the screened related products.

Description

Product Linking Method for Electronic Trading

The invention relates to a product connection method for electronic transactions, in particular to a product connection method for electronic transactions of plastic materials.

In today's industrial materials, plastic materials have been applied to many purposes, and even with the development of the plastic industry, plastic materials have gradually replaced traditional metal materials such as steel. Plastic materials are also more diversified accordingly, and different types of plastic materials and plastic raw materials are usually substitutable. Therefore, the industry must make the best decision among multiple materials and multiple suppliers in order to produce the highest quality plastic products at the lowest cost.

As mentioned earlier, different plastic materials and different suppliers are usually substitutable, especially the types of plastic materials commonly used today are quite diverse, and even technical personnel who are proficient in plastic materials cannot fully understand most of them. plastic material. Therefore, for buyers or users, it is necessary to provide a simple connection method, so that they can be connected to the database of plastic products through various classification methods or common names, so as to query the information of the plastic material. property or trade.

In addition, the quotation of plastic materials changes with time, so the data in the database must be updated at any time. For traditional trading models, this process of updating data would be slow and time-consuming. Therefore, for the transaction of plastic materials, it is also necessary to provide a system in which not only buyers can obtain real-time data, but suppliers can also change quotations and product contents of plastic materials at any time.

The Internet has developed into a very convenient e-commerce medium, enabling consumers to purchase goods or services on the Internet. However, the current electronic transaction system does not provide a simple and convenient product connection method for buyers of plastic materials, so that the buyer can easily conduct transactions through known plastic material classification names or category names. trade. That is, the buyer usually needs to go through a complicated selection process to select the plastic product to be traded.

In view of this, for buyers and suppliers of plastic materials, it is necessary to provide a more convenient transaction method so that buyers and suppliers can obtain the best interaction.

The main purpose of the present invention is to provide a product linking method for electronic transactions for commodity trading, wherein the buyer can easily select the product to be traded through the product linking method.

The secondary purpose of the present invention is to provide a product linking method for electronic transactions, which is applied in the electronic transaction system and connected to the Internet, so that buyers and suppliers can conduct transactions conveniently.

According to the product linkage method of electronic transaction of the present invention, the electronic transaction system has a product database including specification data and transaction data of the product to be traded; the product display step displays the products in the product database so that a buyer can select a product ; and a product selection step for the buyer to select a specific product from the displayed products, wherein the product link method of the electronic transaction includes:

A physical property query step, used to query the physical properties of the selected product;

An intelligent material selection step, used for screening products similar to the selected product from the transaction database;

A price inquiry step, so that the buyer can make an inquiry with the supplier about the product to be traded: and

An order step completes the buyer's transaction with the supplier for the selected product.

According to another specific embodiment of the present invention, the method for linking products in electronic transactions is applied in an electronic transaction system to facilitate transactions between buyers and suppliers, and the electronic transaction system has a product database including the specifications of the products to be traded data, and transaction data, where the product-linking methods of the electronic transaction include:

Product classification step, the electronic trading system will divide the product into multiple classification items, so that the buyer can select the product;

In the step of selecting a category item, the buyer will select a specific category item, and the electronic transaction system will filter products related to the specific category item from the product database; and

In the step of selecting a specific product, the buyer can select a specific product from the filtered related products.

According to another characteristic of the present invention, the product linking method of electronic transaction further includes an order step, wherein the electronic transaction system will complete the transaction between the buyer and the supplier for the specific product.

According to another characteristic of the present invention, the method for linking products in electronic transactions further includes an inquiry step for inquiring about the physical properties of the specific product.

According to another feature of the present invention, the method for linking products in electronic transactions further includes an intelligent material selection step for screening products similar to the specific product from the transaction database.

According to another feature of the present invention, the method for linking products in electronic transactions further includes an inquiry step, so that the buyer can further negotiate with the supplier on the transaction data of the product to be traded, so as to further complete the transaction.

According to another feature of the product linking method for electronic transactions of the present invention, wherein the electronic transaction system is connected to the Internet, and the buyer can interact with the electronic transaction system through the Internet.

According to the product linking method for electronic transactions of the present invention, if the electronic transaction system enables the product linking function, the buyer can conduct transactions or inquire about physical properties by clicking on the classification items and product names during any process of the transaction. and other steps, so that the buyer can conveniently inquire about the physical properties of the plastic product, and at the same time, can conveniently trade the plastic product if necessary.

In order to make the above and other objects, features, and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with accompanying drawings.

FIG. 1a and FIG. 1b are schematic flow charts of the electronic transaction method according to the present invention.

Fig. 2: Schematic flowchart of the inquiry part of the electronic transaction method according to the present invention.

Fig. 3: Schematic flowchart of the payment inquiry part of the electronic transaction method according to the present invention.

Fig. 4: Schematic flowchart of confirming the buyer's payment method according to the electronic transaction method of the present invention.

Fig. 5: A schematic flowchart of the inquiry part of another embodiment of the electronic transaction method according to the present invention.

6-11 : Example forms or web pages output by the electronic transaction method according to the preferred embodiment of the present invention. Description of figure number:

10 Methods of Electronic Trading

60 Payment Inquiry Section

50 Inquiry Section 50a Inquiry Section

110 Initial Steps 120 Product Category

120' product display steps

126 Query/select traded plastics

130 Filter product classification items and function selection 140 Account inquiry

132 Query Physical Properties

160 Output the data of the product of this specific specification and its supplier

162 Confirm order and payment method

180 Whether to confirm the order

300 order system

602 Confirm the payment method used by the buyer

604 Other payment methods (T/T, L/C)

606 Line of Credit Payment

610 Confirm whether the credit limit is sufficient

612 Confirm whether the credit limit of the transaction center is sufficient

614 Increase credit limit or apply for another payment method

616 Increase bank credit limit

618 Bank agree or not

620 Apply for other payment methods

622 Confirmation of other payment methods

624 Payment inquiry failed

626 By Payment Inquiry

500 Enter inquiry data

502 cancel inquiry process

510 Whether the inquiry data meets the scope set by the supplier

520 order confirmation

530 Whether the supplier accepts inquiries outside the scope

540 Reject the buyer's inquiry data

550 Ask the supplier whether to accept the buyer's inquiry data

560 The supplier input accepts inquiry

562 The buyer confirms the order

564 Cancel inquiry process

570 Whether the supplier will provide another quotation

572 Supplier re-enters quotation data

574 Whether the buyer accepts the new offer

576 Cancel inquiry process

578 Does the buyer make another inquiry?

580 The buyer provides inquiry data again

710 Carry out intelligent material selection

80 Confirm Buyer Payment Method Section

810 Confirm the payment method used by the buyer

812 Other payment methods

814 Notify buyer of T/T or L/C payment data

816 Whether there is a credit limit

818 Query whether there is a bank credit limit

820 Query whether there is a credit limit of the trading center

822 Ask if the buyer needs to apply for a bank line of credit

824 The buyer fills in the application data for the credit limit

826 send buyer data to bank

828 Bank agree or not

830 Ask whether to choose another payment method

According to the embodiment of the present invention, it is applied to a method 10 of electronic transaction. The method 10 of electronic transaction is shown in FIG. The present invention is described, but the electronic transaction method of the present invention is not limited to this plastic material. Those skilled in the art will be able to easily understand electronic transaction systems, such as US Pat. Nos. 5,970,475, 5,557,518, and 5,319,542, which disclose different electronic transaction systems that can conduct electronic transactions through the Internet. The aforementioned patents are incorporated herein by reference.

The electronic transaction method 10 of the present invention is applied in an electronic transaction system to trade plastic materials, wherein the electronic transaction system includes buyers, suppliers, and transaction centers, and is connected to each other through the Internet (Internet), and the electronic transaction system The transaction system has a product database, which includes physical property data and transaction data of plastic products. Furthermore, the electronic trading system is built in a computer system for electronic trading, or it may only provide users with the function of inquiring about products.

With reference to Fig. 1 a, wherein shows according to the flowchart of the method for electronic transaction of the present invention, when the buyer desires to buy plastic material, this buyer can enter the initial step 110 of electronic transaction system of the present invention through Internet, enters step 120 afterwards . In the step 120, the electronic trading system outputs a classification table of plastic materials, as shown in FIG. 6 . In this step 120 , the buyer can click on the classification table of the plastic material to enter step 130 . In step 130, the electronic trading system will search the product database according to the content of the category item selected by the buyer in step 120, so as to filter out products related to the category item selected, and then the buyer can Select a specific product, and decide to enter step 132 to inquire about physical properties, or enter step 126 to conduct transactions.

Furthermore, in the electronic transaction method 10 applied to the product linking method of the present invention, the plastic classification table in step 120 is an exemplary classification, and is not intended to limit the present invention.

Please note that, as shown in FIG. 1b, in another embodiment of the present invention, the classification step of the step 120 can also be replaced by a product display step 120', and the product display step 120' is applied in an electronic transaction system, And the electronic transaction system may include many different functions, such as inquiry, price inquiry, quotation, instant message and so on. When the buyer enters the electronic trading system to perform functions such as inquiries and instant messages, the electronic trading system will display product names or classified items, and the product names or classified items can be such as common names, abbreviations, trade names, general names, etc. , and terminology, etc., the professional name of plastic materials. If the electronic trading system enables the link function of classification items and product names, the buyer can click on the classification items and product names to enter step 130, and the electronic trading system will search the product database according to the professional name, In order to filter out relevant products, and then proceed to the next steps. In this way, the buyer can conveniently inquire about the physical properties of the plastic product, and at the same time, can conveniently trade the plastic product if necessary.

Furthermore, step 120 may further include a member login step to confirm the buyer, if the buyer is not a member, another step is provided to enable the buyer to log in as a member, and if the buyer does not want to Membership will go to step 110.

The step 132 is used to inquire about the physical properties of the product. In the step 132, the electronic trading system will output the physical properties of the specific product. At the same time, the user can decide whether to enter step 710 for intelligent material selection, or return to step 110 Cancel the transaction, or enter step 126 to carry out the transaction.

In step 126, the transaction center will output Figure 7, so as to facilitate the buyer to conduct plastic transactions. As shown in Figure 7, it is roughly divided into two parts, including the input table in the upper part and the output table in the middle part. In the upper input form, the buyer can input query conditions, such as plastic type, shipping location, shipping time, and input query keywords, etc., where the symbol "" means that the trading center provides a drop-down Function table, to facilitate the buyer to input query data (hereinafter the symbol "" also has the same function, this manual will not repeat them). After the buyer enters the query conditions, he can click the "GO" button, and the transaction center will output the result in the table in the middle part. The table in the middle part will display the products in the product database that match the input query conditions, and display the product's material, manufacturer, product name, specification, color, supplier, delivery location, delivery time, And related transaction data such as minimum order quantity.

As mentioned above, in step 130 and step 132, the buyer has selected the specific product, so as shown in FIG. 7 , the electronic trading system outputs different specifications of the specific product to the supplier.

Afterwards, the buyer can click a specific column on the table in the middle part (that is, click a specific number in the "number" column in Figure 7) to determine the product of a specific specification to be traded, and its specific suppliers. Then enter the next step 160 . In this step 160, the transaction center of the present invention outputs the data of the product of the specific specification and its supplier in FIG. 8 .

As shown in Figure 8, it is roughly divided into two parts, the upper part is the basic data part of the product, and the lower part is the transaction data part of the product of this specification. In the upper part of the data part, you can click the "similar physical property product search" or "physical property table" button to enter step 170, respectively for intelligent material selection, or query the physical property data of the product, and then return to the initial step 110 . The method for intelligent material selection is disclosed in another patent application "Intelligent Product Selection Method" filed by the inventor on September 29, 2000 under the PCT.

The lower table in FIG. 8 shows that step 160 further has four follow-up steps, and the buyer can determine the follow-up steps through the query results shown in FIG. 8 . If the buyer decides to re-inquire about the plastic, the buyer can click the "re-inquiry" button to enter step 126 to re-inquire about the plastic. If the buyer needs to inquire about the transaction records, he clicks on the "Account Inquiry" button to enter step 140 . In the step 140, the buyer can query his own transaction record in the transaction center.

If the buyer accepts the supplier's transaction data of the product of the specification, the buyer can click the "Order" button to enter step 162 . If the buyer is dissatisfied with the supplier's transaction data of the product of the specification, the buyer can click the "enquiry" button to enter step 50 .

In the step 162 , the buyer reconfirms whether to conduct the transaction and if the buyer decides to conduct the transaction, he needs to decide the payment method of the transaction, and then enters the step 60 . In step 60, the payment inquiry part 60 of the electronic transaction method 10 is used to inquire whether the buyer has sufficient payment ability to complete the transaction. This step will be described below. If the buyer passes the confirmation of the payment query part 60, then enter the order system of step 300 to complete the transaction, otherwise return to the initial step 110.

In step 50, the inquiry part 50 of the electronic transaction method 10 is used to provide a further inquiry function between the buyer and the supplier. If an agreement is reached between the buyer and the supplier, then enter the step 180, and the inquiry part 50 will be explained below. In step 180 , the buyer can further confirm the order, and if it is decided to conduct a transaction, then go to step 60 , otherwise go back to step 126 . As previously mentioned, this step 60 is to inquire whether the buyer has sufficient payment ability to complete the transaction, if the buyer passes the confirmation of the payment inquiry part 60, then enter the order system of the step 300 to complete the transaction, Otherwise, go back to initial step 110 .

Referring now to FIG. 3 , which shows a flow chart of the payment inquiry part 60 according to the present invention, please note that those skilled in the art will understand that the payment inquiry part 60 is a decision step to determine whether the buyer has sufficient Complete the payment capability of the transaction, if the buyer passes the payment inquiry part 60, then continue the transaction, otherwise cancel the transaction and return to the initial step 110. After entering step 60, first enter step 602 to confirm which payment method the buyer uses, if credit line is selected, then enter step 606, if other payment methods are selected, then enter step 604. In the step 604, the buyer can further decide on the payment method, such as (T/T, L/C), and then enters the step 620, which will be described below.

If the buyer chooses credit line payment, then enter step 606, and then enter step 610. In step 610, the transaction center is connected with a bank to confirm whether the buyer's credit line is sufficient for the transaction. If it is sufficient, proceed to step 626 for credit inquiry, otherwise proceed to step 612. In step 612, the transaction center confirms whether the buyer's credit limit in the transaction center is sufficient to carry out the transaction. Please note that this credit limit is provided by the transaction center. If it is sufficient, go to step 626, otherwise go to step 614. In step 614, the buyer may choose to increase the credit limit or apply for another payment method in order to proceed with the transaction. If the buyer cannot increase the amount, then enter step 624, leave the payment inquiry part, and fail the payment inquiry. If the buyer chooses to increase the credit limit, then enter step 616 . In the step 616, the transaction center is connected to a bank, and the buyer puts forward a request for increasing the credit limit, and then enters the step 618. In step 618, if the bank agrees, go to step 626, otherwise go to step 620. If the buyer chooses to apply for other payment methods, then go to step 620 . In this step 620, the buyer can apply for other payment methods, such as (T/T, L/C), and fill out the form for other payment methods. Enter step 622 afterwards. In the step 622, the transaction center will confirm the other payment method, that is, receive the necessary reply within a limited time, or receive the money, if the confirmation is passed, go to step 626, otherwise go to step 624.

Please refer to FIG. 2 , which shows a flowchart of the inquiry part 50 according to the present invention. After entering the step 50 , first enter the step 500 . In step 500, the transaction center imports the product of the specific specification and the specific supplier data selected in the transaction process into the inquiry part 50, and the output form is shown in FIG. 9 .

Referring now to Fig. 9, the part where the data is taken out is through the transaction center, which outputs the transaction data of the product of the specific specification selected by the buyer and its supplier, and the buyer can communicate with the transaction data for other transactions. The supplier makes an inquiry, and the data required therein, including the specification of the product, the supplier, and other transaction data, are hereinafter referred to as inquiry data. The items that the buyer can inquire about with the supplier include delivery method, delivery location, payment method, quantity/unit price, price currency and so on. Through this mechanism, the buyer and the supplier can obtain better interaction and complete the best transaction. After the buyer decides on the inquiry content, he can click on the "send inquiry" button to enter the part 80 for confirming the buyer's payment method to confirm the payment method used by the buyer when conducting the transaction. If it is passed, enter This step 550, otherwise go to step 502 to cancel the inquiry process. If the buyer wants to cancel the inquiry, he clicks on the "Cancel Inquiry" button, exits the inquiry part, and returns to step 126. The Confirm Buyer Payment Method section 80 will be described below.

Step 500 further includes a plurality of determination steps to further confirm the inquiry data. The determination steps are described as follows. After the inquiry data is input in step 500, the trading center will display the inquiry data again, as shown in FIG. 10 .

After the buyer confirms the inquiry data, he can click the three click buttons located at the bottom of Figure 10 to enter the subsequent steps. If the buyer clicks the "cancel inquiry" button, then enter step 126 to continue to inquire about the plastics to be traded.

If the buyer clicks the "Confirm Temporary Storage" button, the transaction center will store the inquiry data into an inquiry list, and the buyer can view the inquiry list in this step. If the buyer clicks the "view inquiry list" button, it will enter a step of displaying the list.

In the step of displaying the list, the transaction center outputs the inquiry list. Please note that the transaction center of the present invention allows the buyer to make three inquiries for the product of the same specification. The transaction center outputs the inquiry list in FIG. 11 . As shown in FIG. 11 , when the buyer clicks the "modify" button or the "delete" button, the trading center will allow the buyer to modify the inquiry data and delete the inquiry data respectively.

In step 550, the transaction center notifies the supplier of the buyer's inquiry data, and asks the supplier whether to accept the buyer's inquiry data, and if the supplier accepts the inquiry data, then enters step 560, Otherwise, go to step 570 . In an embodiment according to the present invention, the transaction center outputs the inquiry data to the supplier's data area in the transaction center, so that the supplier can query relevant inquiry data at any time.

In step 560, the supplier enters acceptance of the RFQ and proceeds to step 562. In step 562, the transaction center will notify the buyer to confirm the order. If the buyer allows to confirm the order, then enter step 520, otherwise enter step 564 to cancel the order and exit the inquiry part 50. In step 520, it means that the inquiry data is confirmed, and the buyer and the supplier can perform subsequent transaction steps with respect to the inquiry data.

In step 570 , the supplier can decide whether to offer another quotation, if not, go to step 576 to cancel the inquiry process, otherwise go to step 572 . In step 572, the supplier re-enters the quotation data, and then proceeds to step 574. In step 574, the transaction center will further inquire whether the buyer accepts the new offer from the supplier, and if yes, proceed to step 562, otherwise proceed to step 578. In step 578, the buyer can decide whether to make an inquiry again, if he wants to make an inquiry again, go to step 580, otherwise go to step 576. In step 580, the buyer re-enters the inquiry data, and then proceeds to step 550. During this inquiry process, the buyer and the supplier can conduct multiple mutual inquiries and quotations, so that the final transaction can meet the needs of both parties.

Referring now to FIG. 4 , which shows a flow chart of the confirmation buyer's payment method part 80 according to the present invention, after entering the step 80, first enter the step 810. In step 810 , the buyer can select the payment method used in the inquiry part 50 , and if it is selected to conduct the transaction by credit line, then go to step 816 , otherwise, go to step 812 . In step 812, the buyer chooses to pay in other ways, and then enters step 814, the transaction center will notify the buyer of the payment data that needs to be prepared, and then returns to step 550 of the inquiry part 50.

In this step 816, the transaction center will inquire whether the buyer has a credit limit, and then enter step 818. In step 818, the transaction center will inquire whether the buyer has a bank credit limit, and if so, enter step 550, otherwise enter step 820. In step 820, the transaction center will inquire whether the buyer has a credit limit of the transaction center, if yes, enter step 550, otherwise, enter step 822.

In the step 822, the transaction center will ask the buyer whether to apply for a bank credit line. If the buyer does not apply, the transaction will be canceled and the process will proceed to step 110, otherwise, the process will proceed to step 824. In the step 824, the buyer can directly fill in the application data of the credit line, and then enter the step 826. In step 826, the transaction center will connect to the bank and output the application data to the bank, and then enter step 828. In the step 828, the bank examines the application data and decides whether to approve the credit, if yes, enters the step 550 of the inquiry part 50, otherwise enters the step 830. In step 830, the transaction center will further ask the buyer whether to choose other payment methods, if the buyer agrees, then enter step 814, otherwise cancel the transaction and return to step 110.

Referring again to FIG. 5, there is shown an inquiry section 50a according to another embodiment of the present invention. As shown in the figure, the steps of the inquiry part 50a are substantially the same as those of the inquiry part 50, the difference is that in the inquiry part 50a, after the confirmation of the buyer's payment method 80, step 510 is entered.

In step 510 , the trading center compares the inquiry data with the range set by the supplier, and if they match, go to step 520 , otherwise go to step 530 . In step 520, it means that the inquiry data is confirmed, and the buyer and the supplier can perform subsequent transaction steps with respect to the inquiry data. In step 530, it is used to confirm whether the supplier accepts the inquiry outside the scope, if accepted, go to step 550, otherwise go to step 540. In step 540, the transaction center rejects the buyer's inquiry data, and returns to step 500 to re-enter the inquiry data.

Although the present invention has been described in the foregoing preferred embodiments, they are not intended to limit the present invention. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the appended claims.

Claims (22)

1. A method for linking products in electronic transactions, which is applied in an electronic transaction system to facilitate transactions between buyers and suppliers, and the electronic transaction system has a product database including specification data of products to be traded and transaction data, The product link methods of the electronic transaction include: Product classification step, the electronic trading system will divide the product into multiple classification items, so that the buyer can select the product; In the step of selecting a category item, the buyer will select a specific category item, and the electronic transaction system will filter products related to the specific category item from the product database; and In the step of selecting a specific product, the buyer can select a specific product from the filtered related products. 2. The product linking method of electronic transaction according to claim 1, further comprising an order step, wherein the electronic transaction system will complete the transaction between the buyer and the supplier for the specific product. 3. The product linking method for electronic transactions as claimed in claim 1, further comprising a query step for querying the physical properties of the specific product. 4. The method for linking products in electronic transactions according to claim 1, further comprising an intelligent material selection step for screening products similar to the specific product from the transaction database. 5. The product linking method for electronic transactions according to claim 1, further comprising a price inquiry step, so that the buyer can further negotiate with the supplier on the transaction data of the product to be traded, so as to further complete the transaction. 6. The product linkage method of electronic transaction as claimed in claim 1, 2, 3, 4, or 5, wherein the electronic transaction system is connected to the Internet (Internet), and the buyer can communicate with the electronic transaction system through the Internet Interaction. 7. The method for linking products in electronic transactions according to claim 1, 2, 3, 4, or 5, wherein the products traded by the electronic transaction system are plastic materials. 8. The product linking method for electronic transactions as claimed in claim 7, wherein the product classification step is to classify according to professional names of plastic materials. 9. The product linking method for electronic transactions according to claim 1, wherein the professional name is selected from the group consisting of common names, abbreviations, trade names, generic names, or terms of plastic materials. 10. A method for linking products in electronic transactions, which is applied in an electronic transaction system to facilitate transactions between buyers and suppliers, and the electronic transaction system has a product database including specification data of products to be traded and transaction data, The product link methods of the electronic transaction include: The product display step is used to display a plurality of classification items of the product in the electronic trading system, so that the buyer can select a specific classification item, and the electronic trading system will filter the specific classification from the product database Products related to the project; and In the step of selecting a specific product, the buyer can select a specific product from the filtered related products. 11. The product linking method of electronic transaction as claimed in claim 10, further comprising an order step, wherein the electronic transaction system will complete the transaction between the buyer and the supplier for the specific product. 12. The product linking method for electronic transactions as claimed in claim 10, further comprising a query step for querying the physical properties of the specific product. 13. The method for linking products in electronic transactions according to claim 10, further comprising an intelligent material selection step for screening products similar to the specific product from the transaction database. 14. The product linking method for electronic transactions as claimed in claim 10, further comprising a price inquiry step, so that the buyer can further negotiate with the supplier on the transaction data of the product to be traded, so as to further complete the transaction. 15. The product linkage method of electronic transaction as claimed in claim 10, 11, 12, 13, or 14, wherein the electronic transaction system is connected to the Internet (Internet), and the buyer can communicate with the electronic transaction system through the Internet Interaction. 16. The method for linking products in electronic transactions according to claim 10, 11, 12, 13, or 14, wherein the products traded by the electronic transaction system are plastic materials. 17. The product linking method for electronic transactions as claimed in claim 16, wherein the product classification step is to classify according to professional names of plastic materials. 18. The product linking method for electronic transactions according to claim 17, wherein the professional name is selected from the group consisting of common names, abbreviations, trade names, generic names, or terms of plastic materials. 19. A method for linking products in electronic transactions, the electronic transaction system has a product database including specification data of the product to be traded and transaction data; the product display step displays the products in the product database so that a buyer can select a product ; and a product selection step for the buyer to select a specific product from the displayed products, wherein the product link method of the electronic transaction includes: A physical property query step, used to query the physical properties of the selected product; An intelligent material selection step, used for screening products similar to the selected product from the transaction database; A price inquiry step, so that the buyer can make an inquiry with the supplier about the product to be traded: and An order step completes the buyer's transaction with the supplier for the selected product. 20. The product linking method of electronic transaction as claimed in claim 19, wherein the electronic transaction system is connected to the Internet (Internet), and the buyer can interact with the electronic transaction system through the Internet. 21. The product linking method for electronic transactions as claimed in claim 19, wherein the products traded by the electronic transaction system are plastic materials. 22. The product linking method for electronic transactions as claimed in claim 21, wherein the display step further filters the database by a professional name, and displays related products, and the professional name is represented by a common name, an abbreviation, a trade name, a general term, and a term selected from the group formed.

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