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. Forniamo [bis[4-(Dimethylamino)phenyl]methylene]butylurea pure. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international m ...
