Amatek Scientific Co. Ltd.
Telephone0512-56316828
Websitehttp://www.amateksci.com
Xi'an Confluore Biological Technology Co., Ltd.
Telephone+86-156-80926068 +86-15680926068
Websitehttp://www.confluore.cn/
Zhengzhou convergence chemical co., LTD
Telephone0371-0371-55153829 18003835034
Websitehttps://www.chemicalbook.com/supplier/24021783/
Beijing Jin Ming Biotechnology Co., Ltd.
Telephone010-60605840 15801484223;
Websitehttp://www.jm-bio.com/
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
Affinity（Wuhan）Ltd.
Telephone 15841022315
Websitehttps://precisepeg.com
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66113011 18112977050
Websitehttp://www.aikonchem.com
Shandong fen Boyu Biotechnology Co.,LTD
Telephone13356310019 13356310019
Websitehttps://www.chemicalbook.com/supplier/25479786/
Shanghai Yanfen Biochemical Technology Co.,LTD
Telephone13611955358 13611955358
Websitehttp://www.yanfenbio.com/
Xian confluore Biological Technology Co., Ltd.
Telephone+86-15680926068 +86-15680926068
Websitehttp://www.confluore.com/
