Bejing xuanfeng Company   Beijing DCH Industrial development Co. Ltd.   Chongqing Sansheng Industrial Co., Ltd   Beijing forestry university   Beijing Metallurgy and Materials Technology Co., Ltd   shenzhen shijingu technology co ltd   Nanjing Amgen Chemical .,Ltd.   Beijing Spring Biology Technology Co.,Ltd.   Xiaoyi Jinjing Chemical Co., Ltd   chongqing medical university   nanjing tech   Nanjing Tone Pharmaceuticals Co.，Ltd.   NANJING BANGNUO BIOTECHNOLOGY CO., LTD.(Sale Department)   Nanjing Bangnuo Biotechnology Co., Ltd   Nanjing Xinbell Pharmaceutical Technology Co., Ltd.   Beijing BG Biotech Co., Ltd   Nanjing RICHEN SATICHEM CO LTD   Beijing Chenghao Technology Co., LTD.   Beijing Green Guardee Technology Co., Ltd   Beijing Oilchemleader Science & Technology Development Co., Ltd