Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
QUALITY CONTROL SOLUTIONS LTD.
Telephone 13670046396
Websitehttps://www.qcsrm.com
Shaanxi Xihua Chemical Industry Co., Ltd
Telephone029-81122149 13992773979
Website
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/