J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai CR Corporation Limited
Telephone021-80270511; 4006653949
Websitehttp://www.crcorporation.cn
Shanghai Hongye Biotechnology Co. Ltd
Telephone400-9205774
Websitehttp://www.glpbio.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
CR Corporation Limited
Telephone +8613062833949
Websitehttp://www.crcorporation.cn/
Hefei fuya biotechnology co. LTD
Telephone 18096409024
Websitehttp://www.purerechem.com
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Shenzhen Jianyi Biotechnology Co., Ltd
Telephone0755-84826604
Websitehttp://www.jeanchemical.com
Shaanxi Dideu Medichem Co. Ltd
Telephone029-81024372 15029046529
Websitehttp://www.dideu.cn
Zhengzhou convergence chemical co., LTD
Telephone0371-0371-55153829 18003835034
Websitehttps://www.chemicalbook.com/supplier/24021783/
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
TargetMol Chemicals Inc.
Telephone 4008200310
Websitehttps://www.targetmol.cn/
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.cato-chem.com/
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0.htm
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
