J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shandong Xiya Chemical Co., Ltd
Telephone4009903999 13355009207
Websitehttp://www.xiyashiji.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai wechem chemical co., ltd
Telephone 18824865657
Websitehttp://www.wechem.cn
Shanghai Nature Biotechnology Co., Ltd
Telephone(86)21-80370399-802,808
Websitehttp://www.naturesci.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Hangzhou Jinghao Biotechnology Co., LTD
Telephone17513242016 17513242016
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1421058/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Qingdao Tenglong microwave technology co., LTD.
Telephone0532-83818797 18561885118
Websitehttp://www.cnnmr.com/
DWS Specialty Gas Co., Ltd
Telephone131-9467-7939 4001882517
Websitehttp://www.dwsgases.com/index.html
Aikon International Limited
Telephone 18626450290
Websitehttp://www.aikonchem.com
Reer Technology (Shanghai) Co., LTD
Telephone021-64400900 15800436310
Websitehttp://www.reertech.com/
Shanghai Yingxin laboratory equipment Co., Ltd
Telephone021-021-59178156 15300768757
Websitehttp://www.yingxinbio.com/
Shanghai isotope chemical co.,ltd
Telephone021-021-51600108 13062666369
Websitehttps://www.chinaisotope.com/
Shanghai Guchen Biotechnology Co., LTD
Telephone021-34675735 19147740836
Websitehttp://www.shgcsw-edu.com
Wuhan Baisida Gas Co., Ltd
Telephone 15072387200
Websitehttp://www.nrdqiti.com
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone +86-18521732826
Websitehttp://www.aladdin-e.com/
