Tianjin Derchemist Science & Technology Co., Ltd.
Telephone22-58627059 13920586291
Websitehttp://www.derchemist.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai Chiral bio-compound co., Ltd.
Telephone021-5068 3667/17749785980/1029026415; 17749785980
Websitehttp://www.chiralmol.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Nantong Hanfang Biotechnology Co. , Ltd.
Telephonehanfangpharma@126.com; 18616537568
Websitehttps://hanfangpharma@126.com