All right. According to relevant public information, Tulang E-commerce Training College is affiliated to Shenzhen Tulang E-commerce Co., Ltd. It is a large-scale e-commerce service provider and e-commerce training institution in China. The course arrangement of this institution is reasonable, the time can be adjusted freely and the learning atmosphere is good. E-commerce, referred to as e-commerce, refers to the trading activities and related service activities in the form of electronic transactions on the Internet, intranet and value-added network, which is the electronization and networking of all aspects of traditional business activities.