J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttp://www.phystandard.com.cn
Beijing Comparison Pharmaceutical Technology Co., Ltd
Telephone010-010-52878169 15801002657
Websitehttp://www.bjcomparison.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 0086-15250997978
Websitehttp://www.njxizebio.com
Pharmacodia (Beijing) Co.,Ltd
Telephone+86-400-851-9921
Websitehttp://www.pharmacodia.com
Artis Biotech Co. Ltd.
Telephone0575-18780151478 18582380095
Websitehttp://www.artisbiotech.com/
ShangHai Biochempartner Co.,Ltd
Telephone177-54423994 17754423994
Websitehttps://www.biochempartner.com
Shijiazhuang yaoBo Pharmaceutical Co., Ltd.
Telephone 15633056635
Websitehttp://www.yaoboyiyao.com/
Chengdu Novel Biomedical Co., Ltd.
Telephone028-85255396 18302801538
Websitehttp://www.cd-novel.com
Shanghai ring qi biological technology co., LTD
Telephone 13524106587
Websitehttps://www.hq-chem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone0755-22202135 13316968096
Websitehttp://www.szbotaier.com/
