Shanghai Xifeng Electronic Commerce Co., Ltd., referred to as: Shanghai Jiujiu Weikang. Jiujiu Weikang, which means "health for a long time", is located in Building 8, the largest international information industrial park in Shanghai (3 Jinsha Road131Creative Park). Invested by powerful overseas capital, the company is a new e-commerce company dedicated to providing health technical services. The company has dozens of well-trained health consultants, advanced call centers, systematic and efficient management software and hundreds of thousands of enthusiastic members. It is the largest health technology service company in Shanghai at present.