Our plant Ruiyuan Flavor Co. Ltd.is a key manufacturer of flavor chemicals, manufacturing more than 200 tons of Herocyclic-chemicals annually in total, including Pyrazine, Thiazole, Pyridine, Pyrrole, Sulfides, Furan, Quinoxaline, and etc. With most products, large quantity capability, high and steady quality, best service, is the solemnly promise to customer and forever purpose of Rui Yuan Flavor