Shanghai Yuanding Chem. Sci. & Tech. Co., Ltd.
Telephone21-57721279 18121011378
Websitehttp://www.shydtec.com
Tianjin Yao Technology Development Co., Ltd.
Telephone022-18902014291 18902014291
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15702/0_EN.htm
3A Chemicals
Telephone400-668-9898
Websitehttp://www.3achem.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85563444 15850508050
Websitehttp://www.synzest.com
Nanjing SynTitan Pharmaceutical Co., Ltd.
Telephone25-57027686 17372956142
Websitehttp://www.syntitan.com/