1. Contact lenses.

2. Over-the-counter drugs.

3. RMB and imitations. Pinduoduo is a mainstream e-commerce application product on the domestic mobile Internet. For the whole year of 2021, Pinduo’s multi-year transaction volume was 2.441 billion yuan. It is a third-party social e-commerce platform focusing on C2M group shopping. It was established in September 2015. Users can initiate group buying with friends, family, neighbors, etc. , you can buy high-quality products in groups at lower prices