Laizhou Guangcheng Chemical Co., LTD is established in 2008 and located in Industrial park of Chengguo,where is close to harbor,airport,and only 2km away from highway.We have a comprehensive QC management system and professional production line.As a specialized manufacturer and trader,Guangcheng annually produces 10,000 tons of Sulfamic Acid and 150,000 tons of Magnesium Sulphate .Our factory floor area is about 45400 square meters and we have rich export experience. In order to meet market requirement, we have passed ISO 9001,REACH , FDA certificates.We have 3 factories: Sulfamic acid factory , Magnesium Sulphate new factory and Kieserite factory. Magnesium Sulphate new factory is located in new Industrial Park, which is the only professional Chemical Park in Laizhou City,so we can avoid environmental issues.Upholding such idea of "customer supreme, striving for development" and philosophy of "Utmost Sincerity to Customer, establishing our business by honest behavior", Our factory is working hard to provide excellent service for customers. We sincerely welcome your business.