The method to complain about Tmall Supply Chain Management Co., Ltd. is as follows:
1. Open the browser, enter "Tmall" in the search bar, search, and click to enter Tmall 's official website.
2. After entering Tmall’s official website, click “Contact Customer Service” in the upper right corner.
3. After clicking "Contact Customer Service", select "Complain".
4. On the complaint page, fill in the relevant complaint content and submit it.