J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Brain Biotechnology Co., Ltd.
Telephone 13564638271
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19148/0.htm
Aikon International Limited
Telephone025-66113011 18112977050
Websitehttp://www.aikonchem.com
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