Shanghai Hong-chuang Pharma Tech Co., Ltd.
Telephone 18151128828
Websitehttp://www.hongchuangchem.com/
Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Shanghai zhigan biotechnology co., LTD
Telephone
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31144/0.htm
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0.htm
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
