Beijing Eternalchem Co,. Ltd.
Telephone010-59484199 18611897322
Websitehttp://www.eternalchem.com/
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttp://www.phystandard.com.cn
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Aikon International Limited
Telephone025-58859352 18068836627
Websitehttp://www.aikonchem.com
WinWin Chemical CO., Limited
Telephone+86-0577-64498589 +8615325081899
Websitehttps://www.win-winchemical.com/
Bide Pharmatech Ltd.
Telephone400-1647117 15221909166
Websitehttps://www.bidepharm.com/
Bide Pharmatech Ltd.
Telephone400-6005915
Websitehttps://www.picasso-e.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Shanghai Tengjun Biotechnology Co. LTD
Telephone 19821570922
Websitehttp://www.aiyansci.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 18616537568
Websitehttps://hanfangpharma@126.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/