Shanghai Boyle Chemical Co., Ltd.
Telephone 021-50182298 021-50180596
Websitehttp://www.boylechem.com
J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
9ding chemical ( Shanghai) Limited
Telephone4009209199
Websitehttp://www.9dingchem.com
Aikon International Limited
Telephone025-58851090 13913916777
Websitehttp://www.aikonchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-029-81148929 17792602132
Websitehttps://www.dideu.com
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
