J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Zhengzhou anmousse chemical products co. LTD
Telephone0371-55289822 18737195735
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList665224/0.htm
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
DONBOO AMINO ACID COMPANY
Telephone +8613063595538
Websitehttp://www.donboo.com/
Changzhou Wanyao Biotechnology Co., Ltd.
Telephone051989185693 15312551983
Websitehttps://www.wan-yao.com