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
Henan Lien Chemical Products Co., Ltd.
Telephone03716091-9097 13383857418
Websitehttp://www.psaichem.com/
Chemwill Asia Co.,Ltd.
Telephone86-21-51086038
Websitehttp://www.chemwill.com/
Zhengzhou Alpha Chemical Co. LTD
Telephone0371-0371-53732842 13383863444
Websitehttps://www.chemicalbook.com/supplier/23629674/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/