Center Enamel Co., Ltd (Shijiazhuang Zhengzhong Technology Co., Ltd) is a professional manufacturer dedicated in industrial and household enamel products’ design and fabrication since 1989, products range covering Glass-Fused-to-Steel tanks,Frie Protection Water storage tanks, Drinking Water Storage tanks, Industrial Wastewater tanks, Anaerobic Digester, Leachate storage tanks, Agricultural Water tanks, Dry Bulk Storage tanks, Municipal Sewage storage tanks. With professional enameling R&D team and more than 200 enameling patents, Center Enamel Co., ltd already became the GFS tanks industry leader in Asia and get certified by ISO9001 and NSF61 etc. international qualification system.