J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Accela ChemBio Co.,Ltd.
Telephone021-50795510 4000665055
Websitehttp://www.shao-yuan.com/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai T&W Pharmaceutical Co., Ltd.
Telephone+86 21 61551611
Websitehttp://www.trustwe.com
Ningbo Kunyu Pharmaceutical Technology Co., Ltd.
Telephone0574-88327552 15355115930
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30863/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Tengyi Chemical Technology Co., Ltd.
Telephone 17602173738
Websitehttp://ttchem.com.cn
Taizhou Nanfeng Pharmaceutical Research Institute
Telephone 18616377689
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1580880/0.htm
Guangzhou Liwen Technology Co., Ltd.
Telephone 18028686850
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1079956/0.htm
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66113011 18112977050
Websitehttp://www.aikonchem.com
Changzhou Xuanming Pharmaceutical Technology Co., Ltd.
Telephone+86-519-85525359 +86-15995072465
Websitehttps://www.xuanmingchem.com
