Shanghai Yihe Biological Technology Co., Ltd.
Telephone 17721395025
Websitehttp://www.yehebio.com
Bejing Famous Pharmaceutical Technology Co., Ltd.
Telephone 13331045123
Websitehttp://www.peking-pharmacy.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
Xuchang Fengfei New Materials Technology Co., Ltd
Telephone 19713077352
Website