J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai EFE Biological Technology Co., Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Taizhou Nanfeng Pharmaceutical Research Institute
Telephone 18616377689
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1580880/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 13675144456
Websitehttp://www.synzest.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Henan Dowon Chemical Technology Co., Ltd.
Telephone 16696119288
Websitehttp://www.dowon.com.cn
