Seven days. Pinduoduo's books show quality insurance after being put on shelves for 7 days, and Pinduoduo is the mainstream e-commerce application product of domestic mobile Internet. In 20021the whole year, a third-party social e-commerce platform with a multi-year transaction volume (GMV) of 2441100 million yuan was established in September 20 15. By initiating group shopping with friends, family and neighbors, users can buy high-quality goods at lower prices.