Shanghai Yuanding Chem. Sci. & Tech. Co., Ltd.
Telephone21-57721279 18121011378
Websitehttp://www.shydtec.com
Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0_EN.htm
Haiji Pharmaceutical Technology (Suzhou) Co., Ltd
Telephone 18012778619
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1396438/0_EN.htm
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
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