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
HangZhou YuHao Chemical Technology Co., Ltd.
Telephone0571-82693216
Websitehttp://www.yuhaochemical.com
ShangHai AmK Pharmaceutical Technology Co., Ltd.
Telephone 18019252918
Websitehttp://www.amkchem.com微信：17321281695
Shanghai Changyan Chem & Tech Co., Ltd.
Telephone021-20242659 18930833303
Websitehttp://www.changyanchem.cn
Nanijing m&m biotechnology Co. ,Ltd.
Telephone025-87782433 18021532344
Websitehttp://www.marymebiotech.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
