1. Enter the website of Taobao official website in the computer browser, enter Taobao official website, then log in to Taobao account, click "My Taobao" above and select "Bought Baby".
2. Select the order to query and click "Order Details", as shown in the following figure;
3. After the order details page, you can see the information of the buyer and the seller, and the contact number of the seller will be displayed in the seller's information.