He joined Microdiag in 2008 and successively served as DNA R & D team leader, production manager, management representative and quality manager, director of marketing department, director of clinical registration department and other positions. It has completed the development, clinical and registration of one class III product (approved), completed the clinical trials of several products, and completed the assessment and certification of the quality management system for many times. In 2018, he joined Microdiag trade union, served as the chairman of Microdiag trade union, and comprehensively presided over the daily work of the trade union.