Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
Website
Nanjing SynTitan Pharmaceutical Co., Ltd.
Telephone25-57027686 17372956142
Websitehttp://www.syntitan.com/
Henan Rane Chemical Co., Ltd.
Telephone+86-18738066252; +86-18738066252
Websitehttps://www.ranechem.com/
Jiangsu Congsheng Chemical Co., Ltd.
Telephone 18651116180
Websitehttps://www.congzhongchem.com