Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. I tillegg 2-Butyl-1,3,2-dioxaborolane-4R,5R-dicarboxylic acid bis(dimethylamide) er levert av oss. We act also as agent of many chemical factories and promote their products to the international m ...