No, you can only buy real blue jewelry gold with a jewelry appraisal certificate, which has the origin, quality and store name on it. There is no official certification for gold sold in large quantities without certificates. Pinduoduo is the mainstream e-commerce application product of domestic mobile Internet. In 20021year, GMV 244 1 billion yuan, and the third-party social e-commerce platform focusing on C2M group purchase was established in September of 20 15. By initiating group shopping with friends, family and neighbors, users can buy high-quality goods at lower prices.