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
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66099280 17798518460
Websitehttp://www.aikonchem.com/
Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttp://gb.chemexpress.com.cn
Shanghai HuanChuan Industry Co.,Ltd.
Telephone021-61478794
Websitehttp://www.hcshhai.com
AdooQ Bioscience CHINA
Telephone025-58849295 18951903616;
Websitehttp://www.adooq.cn
LETOPHARM LIMITED
Telephone+86-21-5821 5861
Websitehttp://www.letopharm.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai Lollane Biological Technology Co.,Ltd.
Telephone021-52996696，15000506266 15000506266
Websitehttp://www.bioll.com
SPIRO PHARMA
Telephone
Websitehttp://www.spiropharma.com.cn
ShangHai Movin Pharmaceutical Co., Ltd.
Telephone 13681854265
Websitehttp://www.moenpharm.com
Guangzhou QiYun Biotechnology Co., Ltd.
Telephone020-61288194 61288195
Websitehttp://www.gzqiyun.com
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.com
Shanghai Chaolan Chemical Technology Center
Telephone021-QQ：65489617 15618227136
Websitehttp://www.atkchemical.com/
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973130 4009686088
Websitehttp://www.solarbio.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Angel Pharmatech, Ltd.
Telephone 17317130613
Websitehttp://www.angelpharmatech.com
Beijing OKA biological technology co., LTD
Telephone010-010-010-62971590 18548936886
Websitehttp://www.bjoka-vip.com/
