J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Alfa Aesar
Telephone400-6106006
Websitehttp://chemicals.thermofisher.cn
Energy Chemical
Telephone021-021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400 638 7771
Websitehttp://www.heowns.com
Sci General Material & Chemical Ltd
Telephone21-58388037 13472507714
Websitehttp://www.sci-gm.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Aikon International Limited
Telephone025-66113011 18112977050
Websitehttp://www.aikonchem.com
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400-6387771-6037 18920794737
Websitehttp://www.heowns.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Jiaxing Hengrui Biotechnology Co. LTD
Telephone0573-0573-82672231 13757365595
Websitehttp://www.jxruihengbio.com/
NANJING TOMMLAB PHARMATECH Co.,LTD
Telephone025-85760569 13814067126
Websitehttp://www.tommlab.com
Shandong Mingde Biotechnology Co., Ltd
Telephone 18560864701
Websitehttp://www.jiuyueshengwu.com/
Aikon International Limited
Telephone 18626450290
Websitehttp://www.aikonchem.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/
Nanjing Jianao Pharmaceutical Technology Co., Ltd.
Telephone18915922978 18915922978
Website
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone02961856358 15829046862
Website
