Shanghai Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttps://www.chemexpress.com.cn
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973130 17801761073
Websitehttps://www.solarbio.com/
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 18616537568
Websitehttps://hanfangpharma@126.com