1. Open a lot of products, find a chat, order a lot of products for customer service, and then tell the content of your complaint. If it really doesn't work, you can cancel your bank card.
2. More products are missed. You can find customer service, find customer service on the software or contact customer service by phone.
3. Consult official customer service or complain in Pinduoduo. Open the Pinduoduo APP, find the official customer service in the personal center, and click the official customer service for consultation or complaint.