Nanjing Datang Pharmaceutical Technology Co., Ltd.
Telephone025-84341491 13951930983
Websitehttp://www.datangpharmatech.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Aikon International Limited
Telephone025-66028182 18112977050
Websitehttp://www.aikonchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 18021050169
Websitehttp://www.aladdin-e.com/