Lanzhou Kangyuxin Biotechnology Co., Ltd.
Telephone0931-4190454 13893344397
Websitehttp://www.kyxpharma.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Zhengzhou Alpha Chemical Co. LTD
Telephone0371-53732842 13383863444
Websitehttps://www.chemicalbook.com/supplier/23629674/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Sichuan Boyou Biotechnology Co., Ltd
Telephone028-65791793 18140026355
Website