WEIFANG RICHEM INTERNATIONAL LTD is a leading,experienced, professional supplier of industrial chemicals and specialty chemicals.Now we are manufacturing and supplying organic peroxides and other additives for polymers and rubbers. Our efforts are constantly dedicated to supplying customers with good quality products at competitive prices consistent with service that meets customers needs. In the past years,our product were exported to the countries and regions in Asia, Europe,Africa,Middle Eas...