J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone400-6206333 1316706386
Websitehttp://www.aladdin-e.com/
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.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 Maclean Biochemical Technology Co., LTD
Telephone021-50706066 15221275939
Websitehttp://www.macklin.cn/
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd.
Telephone025-66061636 18013972705
Websitehttps://www.aikonchem.com/
