J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone 18916372613
Websitehttps://www.shyuanye.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Wuhan Fortuna Chemical Co., Ltd
Telephone+86-27-59207850
Websitehttp://www.fortunachem.com/
Shanghai Universal Biotech Co.,Ltd
Telephone15921930842 15921930842
Websitehttps://www.univ-bio.com/
Beijing Qinling Pharmaceutical Co., Ltd.
Telephone010-61241352 18901327973
Websitehttp://www.qlmed.com/
Hangzhou MolCore BioPharmatech Co.,Ltd.
Telephone+86-057181025280; +8617767106207
Websitehttps://www.molcore.com/
