Shanghai Guijing New Material Technology Co., Ltd.
Telephone 18616507986
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1980359/0_EN.htm
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0_EN.htm
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126
Websitehttp://www.aobchem.com.cn/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/