J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Foshan Treasure Biotechnology Co., Ltd
Telephone0757-85921206 18520245316
Websitehttp://www.fsbn-bio.com/
Chengdu Bochen Chuangke Biomedical Technology Co., Ltd.
Telephone 13550099873
Websitehttp://www.bochenhealth.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
SHANG HAI WEI LING BIOTECHNOLOGY CO.,LTD
Telephone 13917490980
Website
Hebei Shengyang Water Conservancy Engineering Co., Ltd.
Telephone +8615373025980
Websitehttps://www.chemicalbook.com/EnterpriseCertification_EN_25857459.htm
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/