J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shenzhen Regent Biochemical Technology Co., Ltd.
Telephone0755-85201366 18938635012
Websitehttp://www.regentsciences.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-025-85560043 17301488900
Websitehttp://www.synzest.com
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 13675144456
Websitehttp://www.synzest.com
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-61109150
Websitehttps://www.tcisct.com
Shanghai Saikerui Biotechnology Co. , Ltd.
Telephone021-58000709 13120558703
Websitehttp://www.scrbio.com/
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
SHANGHAI ZZBIO CO., LTD.
Telephone18019219489 18901678489
Websitehttps://www.zzsrm.cn/
Shanghai Weiyite Biotechnology Co., Ltd
Telephone 15317051735
Websitehttp://www.wytsci.com
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
