Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttps://www.standardpharm.org.cn/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Chengdu Peter-like Biotechnology Co., Ltd.
Telephone028-81700200 13308200041
Websitehttps://www.weikeqi-biotech.com/
Shanghai Weiyite Biotechnology Co., Ltd
Telephone 15317051735
Websitehttp://www.wytsci.com