J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Beijing HengPuGao Pharmaceutical Chemistry Technology Co., Ltd.
Telephone010-81520996 13439320863
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15053/0.htm
Shanghai Sunway Pharmaceutical Technology Co., Ltd
Telephone021-51613915-820 13611835272
Websitehttp://www.sunwaypharm.com
Shanghai Sphchem Co., Ltd.
Telephone21-21-56491756 13512199871
Websitehttp://www.panhongchem.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttp://www.phystandard.com.cn
Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttp://gb.chemexpress.com.cn
TIANJIN SPRING PHARMA SCIENCE CO., LTD.
Telephone0086-22-60330256
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15778/0.htm
Shanghai Tauto Biotech Co., Ltd.
Telephone021-51320588
Websitehttp://www.tautobiotech.com/
Vientiane Tianjin Hengyuan Technology Co., Ltd.
Telephone15722085254
Websitehttp://www.life-sci.cn
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Sichuan Wei Keqi Biological Technology Co., Ltd.
Telephone028-81700200 18116577057
Websitehttp://www.weikeqi-biotech.com
Wuxi Zhongkun Biochemical Technology Co., Ltd.
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
Beijing FYF Chemicals Co., Ltd
Telephone010-61647239; 15318973357
Websitehttp://www.fyfchem.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
AN PharmaTech Co Ltd
Telephone86(21)68097365
Websitehttp://www.anpharma.net
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 0086-15250997978
Websitehttp://www.njxizebio.com
Wuhan ChemFaces Biochemical Co., Ltd.
Telephone18607101326 15172504745
Websitehttp://www.chemfaces.com
