Nanjing Datang Pharmaceutical Technology Co., Ltd.
Telephone025-84341491 13951930983
Websitehttp://www.datangpharmatech.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
CD Chemical Group Limited
Telephone +8615986615575
Websitehttp://www.codchem.com/
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd.
Telephone025-66061636 18013972705
Websitehttps://www.aikonchem.com/