2. 1997, Beijing jinshanchuan technology development co., ltd was formally established; Independent research and development of EDS-98 bacterial endotoxin quantitative detection system. From 65438 to 0998, EDS-99 bacterial endotoxin quantitative detection system was independently developed and obtained the national patent. In 2000, Tianjin Yi Rui Chemical Reagent Co., Ltd. was established; Independent research and development of G test, GM test kit, endotoxin test kit and testing equipment; Obtained the national key new product certificate (EDS-99 bacterial endotoxin tester).