Pinduoduo is the mainstream mobile shopping APP in China. Established on September 20 15. Users buy goods at lower prices by initiating group shopping with friends, family and neighbors. The purpose is to gather more people's strength, buy better things at lower prices and experience more benefits and fun. On July 26th, 20 18, Pinduoduo was listed in the United States. On September 7th, 20 19, China Business Federation and China National Business Information Center released the 20 18 list of the top 100 retailers in China, and Pinduoduo ranked third.