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 TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85560043 15850508050
Websitehttp://www.synzest.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Molcoo Chemicals Inc.
Telephone 18672515910
Websitehttp://www.molcoo.com/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 18351873721
Websitehttp://www.synzest.com
Changzhou Bojia Biomedical Technology Co., Ltd.
Telephone 2122619822
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList849747/0.htm
Nanjing Huanuo Biomedical Technology Co., Ltd
Telephone 18913906212
Websitehttp://www.hnstandards.com/
Shenzhen Excellent Biomedical Technology Co., Ltd.
Telephone 18318671572
Websitehttps://www.ex-biotech.com/
Shanghai Easy CDMO Co.,Ltd
Telephone021-61734564
Website
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Telephone18102736234 18102736234
Website
ShenZhen H&D Pharmaceutical Technology Co., LTD
Telephone 13217415044
Websitehttps://www.hdimpurity.com/
