Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66028182 17714375163
Websitehttp://www.aikonchem.com
Chengdu Kamel Pharmaceutical Co., Ltd
Telephone028-67136579 15828051124
Websitehttp://www.kamelpharm.com/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Baimei Jihua (Henan) Pharmaceutical Technology Co., Ltd
Telephone0371-88900765 18037465274
Websitehttp://www.baimeijihua.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone+86-0755-66853366 +86-13670046396
Websitehttps://www.qcsrm.com
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
Hebei Yaocheng Pharmaceutical Technology Co. Ltd
Telephone19903117510 19903117580
Websitehttps://www.yaochengph.com