15, a senior Internet veteran, has worked in well-known enterprises such as Shanghai Steel Union, Steel House, Zall Group and Hengtong Group, and held core positions such as CMO, Chief Operating Officer and CEO in an industrial e-commerce company, and established an operation team of over 1,000 people. In the past three years, he has traded GMV over 20 billion RMB and raised 50 million RMB in Series A..