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
Jinan ponder chemical co. LTD
Telephone0531-0000
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList546697/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Easy CDMO Co.,Ltd
Telephone021-61734564
Website
Suzhou Haiben Pharmaceutical Co., Ltd
Telephone14760821013 13564957716
Website
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
LEAPCHEM CO., LTD.
Telephone+86-852-30606658
Websitehttp://www.leapchem.com
