Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-29-81148696 +86-15536356810
Websitehttps://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-221/
Shaanxi Dideu Medichem Co. Ltd
Telephone029-61856358 15229202216
Websitehttps://www.dideu.com/
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Shaanxi kelkai Pharmaceutical Technology Co., Ltd
Telephone029-029-2148545164 17392779578
Website