Sichuan BoYou Biotechnology Co., Ltd.
Telephone028-65791793 18140026355
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList20202/0_EN.htm
ChemeGen
Telephone 18818260767
Websitehttps://www.chemegen.com
Zhengzhou kaimisi medicine technology co., ltd
Telephone13949133700; 13949133700
Website
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn
Shanghai Ken chemical Technology Co.,ltd
Telephone13701870891; 02152215958
Websitehttp://www.kenchem.net/