Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0_EN.htm
Changsha Bono New Materials Technology Co., Ltd.
Telephone 18191076804
Websitehttp://www.bonosci.com
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonehanfangpharma@126.com 15165037910
Websitehttps://hanfangpharma@126.com