J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
TCI (Shanghai) Development Co., Ltd.
Telephone021-67121386
Websitehttps://www.tcichemicals.com/CN/zh/
Beijing Ouhe Technology Co., Ltd
Telephone010-82967028 13552068683
Websitehttp://www.ouhechem.com/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone400-400-6206333 18521732826
Websitehttp://www.aladdin-e.com/
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shanghai Xingui Biotechnology Co., Ltd.
Telephone 17501653715
Websitehttp://www.ansitan.com
Shanghai Macklin Biochemical Co.,Ltd.
Telephone15221275939 15221275939
Websitehttp://www.macklin.cn
Beijing OKA biological technology co., LTD
Telephone010-010-010-62971590 18548936886
Websitehttp://www.bjoka-vip.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
ShangHai Anpel Co, Ltd.
Telephone18501792038; 18501792038
Websitehttps://www.labsci.com.cn/index
CHG Opto-Electronic Corporation Limited
Telephone 2537653158 16621191650
Websitehttps://www.uncinfo.cn
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Krain Pharmaceutical Technology CO.,Ltd
Telephone 18252089365
Websitehttp://www.kerunyiyao.com/
JiangSu Star Science Co.,Ltd
Telephone400-400-605-7200-7200 17312445705
Websitehttps://www.b2star.com/
Henan Alpha Chemical Co., Ltd.
Telephone0371-55013243 15324716602
Websitehttps://www.chemicalbook.com/supplier/24684125/
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone 18621169109
Websitehttps://www.meryer.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
