Shanghai RenYue Chemical Technology Co., Ltd.
Telephone021-62219190; 18321139117
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList17164/0_EN.htm
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126
Websitehttp://www.aobchem.com.cn/
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/
Shanghai Weijiahe Biotechnology Co., Ltd
Telephone17502176150; 17502176150
Website