Beijing HuaMeiHuLiBiological Chemical
Telephone010-56205725
Websitehttp://www.huabeibiochem.com/
Shanghai wencai New Material Technology Co., Ltd.
Telephone 15721586846
Websitehttp://wencai-nm.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone 15229059051
Websitehttp://www.dideu.cn
Shanghai Saikerui Biotechnology Co. , Ltd.
Telephone021-58000709 15900491054
Websitehttp://www.scrbio.com/
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/