Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttp://www.standardpharm.com
Hebei Yanxi Chemical Co., Ltd.
Telephone +8617531153977
Websitehttps://www.chemicalbook.com/manufacturer/hebei-yanxi-chemical-283/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone 15229059051
Websitehttp://www.dideu.cn
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
SUZHOU SENFEIDA CHEMICAL CO.,LTD
Telephone+86-0512-83500002 +8615195660023
Website