Changzhou Xiya Biotechnology Co., Ltd.
Telephone 13775267187
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList123860/0_EN.htm
Shanghai Ken chemical Technology Co.,ltd
Telephone13701870891; 02152215958
Websitehttp://www.kenchem.net/
Suzhou Yayan Pharmaceutical Technology Co., Ltd
Telephone 17715136450
Websitehttp://www.shiyabiopharm.com
Nanjing Moldeep Biochemical Co., Ltd.
Telephone+86-25-58282389 +86-17351037455
Websitehttps://www.moldeep.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/