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. 我々は16-phenyl tetranor Prostaglandin F2alphaのサプライヤーです。 We act also as agent of many chemical factories and promote their products to the international m ...