LAIZHOU GUANGCHENG CHEMICAL CO.,LTD built at 2008, located in Chemical Industrial Park of Yinhai, Laizhou City, enjoys good location for it is close to harbor, airport. Guangcheng have a comprehensive QC management system and professional production line.We successively passed the National safety production standardization , EU REACH, K-REACH, KKDIK, ISO9001,ISO14001,ISO45001, FDA. Laizhou Guangcheng Chemical Co., Ltd specialized manufacture and trade sulfamic acid and magnesium sulfate anhydrous,monohydrate,trihydrate,heptahydrate etc. Specially trade magnesium chloride,calcium chloride,etc. Annually produces 30,000 tons of Sulfamic acid and 300,000 tons of magnesium sulfate now. Relying on well-operated sales network all over the world, our products are well sold in the world and highly appraised by our customer for excellent quality. Upholding such idea of "customer supreme, striving for development" and philosophy of "Utmost Sincerity to Customer, establishing our business by honest behavior", Guangcheng is working hard to provide excellent service for customers. We sincerely welcome your business.