Chengdu HappySyn Pharmaceutical Technology Co., Ltd.
Telephone028-85114309 18982182443
Websitehttp://www.happysyn.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
ATK CHEMICAL COMPANY LIMITED
Telephone021-51619050 13301662590
Websitehttp://www.ATKchemical.com
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
Xuchang Fengfei New Materials Technology Co., Ltd
Telephone 19713077352
Website
Shanghai Jieshikai Biotechnology Co. , Ltd.
Telephone021-57520305 15801958784
Websitehttps://www.jskchem.com
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 1316706386
Websitehttp://www.aladdin-e.com/
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn