J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Shanghai Hekang Biotechnology Co., Ltd.
Telephone17721021104 18939837085
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16212/0_EN.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Blocksynth Pharmaceutical Technology Co.,Ltd
Telephone0086-19817745290; 19817745290
Websitehttp://www.blocksynth.com/
Jinan Ruisi Pharmaceutical Technology Co., LTD
Telephone0531-0531-69900633 19963472814
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31265/0_EN.htm
Shanghai Dexuan Pharmaceutical Technology Co., Ltd
Telephonedexuanyiyao@126.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList182151/0_EN.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Ningbo Zhenyue Pharmaceutical Technology Co., Ltd
Telephone 19817745290
Websitehttp://www.blocksynth.com/cn/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com
