J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Adamas Reagent, Ltd.
Telephone400-6009262 16621234537
Websitehttp://www.tansoole.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Artis Chemistry (Shanghai) Co. Ltd.
Telephone86-21-60936353
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15631/0.htm
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
Websitehttp://www.phystandard.com.cn
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 0086-15250997978
Websitehttp://www.njxizebio.com
Artis Biotech Co. Ltd.
Telephone0575-18780151478 18582380095
Websitehttp://www.artisbiotech.com/
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com
Shanghai CR Corporation Limited
Telephone021-80270511; 4006653949
Websitehttp://www.crcorporation.cn
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttp://www.sungening.com
Chengdu Novel Biomedical Co., Ltd.
Telephone028-85255396 18302801538
Websitehttp://www.cd-novel.com
Shanghai Han-Xiang Chemical Co., Ltd.
Telephone 15971444841
Websitehttp://www.biochempartner.com.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/
