Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Tianjin Yankai Scientific Co. Ltd.
Telephone 18500985499
Websitehttp://www.yankaisci.com/
Henan Weitixi Chemical Technology Co., Ltd
Telephone0371-53370800 18037197114
Websitehttps://www.chemicalbook.com/supplier/24683891/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Woerjiming (Beijing) Technology Development Institute
Telephone 18610294897
Websitehttps://www.woerjiming.cn
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd.
Telephone025-66061636 19370895928
Websitehttps://www.aikonchem.com/