No. Pinduoduo is a social shopping website that specializes in group buying. You cannot buy medicine bottle caps from Pinduoduo without a trademark. Without a trademark, most of them are fake. If you want to buy medicines from Pinduoduo, try to choose a store with a "brand" logo. , and also choose chain pharmacies such as Zhang Zhongjing Pharmacy Flagship Store, Baio Pharmacy Flagship Store, etc.