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 Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttp://www.standardpharm.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Wuhan Dingxintong Pharmaceutical Co. , Ltd.
Telephone027-52344656 15871722230
Websitehttps://show.guidechem.com/dxt2019/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Hubei Weideli Chemical Reagent Co.，Ltd.
Telephone027-59222918 13385289472
Websitehttps://www.chemicalbook.com/supplier/23855892/1.htm
Jiangsu Boquan Biotechnology Co., Ltd.
Telephone15252131412; 15252131412
Websitehttp://m.boquanshengwu.com
Nanjing Huanuo Biomedical Technology Co., Ltd
Telephone 18913906212
Websitehttp://www.hnstandards.com/
LangFangshi Zekang Pharma Tech CO.,Itd.
Telephone0316-2883536 19333636468
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1466071/0.htm
Shanghai Easy CDMO Co.,Ltd
Telephone021-61734564
Website
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Telephone18102736234 18102736234
Website
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.cato-chem.com/
Wuhan Jingkang en Biomedical Technology Co., Ltd
Telephone +8613720134139
Websitehttp://www.jknbiochem.com/
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/
