1. Home page search of merchants: open the public comment, search for the merchants to be searched, and enter the home page of merchants. On the home page of the merchant, there may be information such as the phone number, address and official WeChat account of the merchant. You can try to find the contact information of the merchants in these places.
2. Send a private message for consultation: the homepage of the merchant has a private message or question-and-answer function, and you can send a private message for consultation and ask the contact information of the merchant. If the merchant replies to the private letter, you can know the contact information of the merchant through the private letter.
3. Call customer service: Some merchants set customer service numbers on public comments. You can try to call the merchant's customer service number and ask the merchant for contact information or other questions.