The Fourth China (Shenzhen) E-Commerce Fair grand open in Shenzhen Convention and Exhibition Center in June 17-19, the exhibition make its theme as "cross-border electricity supplier new model, and promote foreign trade, steady growth", gathering  a number of cross-border electricity supplier platform enterprise networks and commercial enterprises, foreign trade enterprises, ports and logistics companies, finance companies, third-party service companies and third-party service companies to communicate with each other. A total of 200 companies and 100 media participation and attracted nearly 30,000 visitors.

On the commodity matchmaking show which held by organizers, Mr.Xu, the CEO of Toumei Technology,Ltd, introduce the Toumei Technology and the latest C800 intelligence portable projector to the majority of businesses, and also introduce the huge market space and market prospects of intelligence projection, which obtained warm applause and high praise by the presence of many businesses and the judges.