Henan Lien Chemical Products Co., Ltd.
Telephone0371-63357898 15378766539
Websitehttp://www.psaichem.com/
Zhengzhou anmousse chemical products co. LTD
Telephone15981811963 18737195735
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList665224/0_EN.htm
Zhengzhou Alpha Chemical Co. LTD
Telephone0371-53732842 13383863444
Websitehttps://www.chemicalbook.com/supplier/23629674/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/