Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Beijing HuaMeiHuLiBiological Chemical
Telephone010-56205725
Websitehttp://www.huabeibiochem.com/
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-81148929 13186179623
Websitehttps://www.dideu.com