9ding chemical ( Shanghai) Limited
Telephone4009209199
Websitehttp://www.9dingchem.com
Nanjing holy chemical co., LTD
Telephone19951936396
Websitehttp://www.yilaichem.com/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85560043 13675144456
Websitehttp://www.synzest.com
Shanghai Qihong Pharmaceutical Technology Co., Ltd.
Telephone13482681346 18117455885
Websitehttp://www.zhuoshengtech.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/