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. 5-(2,4,6-Trimethyl-3-cyclohexen-1-yl)pent-4-en-3-one também é servida por Dayang Chem (Hangzhou) Co.,Ltd.. 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 ...