About Us

Shijiazhuang Zhengzhong Technology Co.,Ltd (Center Enamel) is a professional manufacturer dedicated to the design and fabrication of bolted storage tanks since 1989. Our products range includes Glass-Fused-to-Steel (GFS) tanks, SS tanks, enameled cookware and enamel glaze. With professional enameling R&D team and more than 20 enameling patents, Center Enamel Co., Ltd has become the leader in bolted tanks industry of Asia. It is certified to ISO 9001, NSF/ANSI 61, ISO 28765, LFGB, BSCI, ISO 45001, ISO 24001 and other international standards.

Center Enamel is not only the first manufacturer in China which produces Glass-Fused-to-Steel tanks, but also the most experienced professional bolted tanks manufacturer in Asia. The engineering & design, product testing and quality system of Center Enamel Glass-Fused-to-Steel tanks is in strict accordance with AWWA D103-09, OSHA, ISO 28765, NSF/ANSI 61, NFPA and other international standards. Center Enamel Glass-Fused-to-Steel tanks are wildly used in drinking / potable water, industrial effluents, municipal sewage, bio-energy, landfill leachate, agriculture and other applications. Until 2021, Center Enamel bolted tanks have been exported to more than 80 countries including USA, Australia, Canada, Malaysia, Indonesia, Russia, UAE, Panama, Brazil and South Africa ect. Our superior tank quality and prompt service gain us worldwide recognition.

Why choose Center Enamel Glass-Fused-to-Steel tanks:

More than 30 years experience in Enameling Technology R&D

The only GFS tanks manufacturer which also produce enamel frit, able to adjust formula to secure enameling quality.

Strict Engineering Design Standard- AWWA D103-09, OSHA, NSF61, EN28765 and NFPA etc

The only GFS tanks manufacture in China which can be widely accepted by USA market for many years.

Cooperate with Well-known International Corporations

Paques, Veolia, Coca-Cola, Sabesp, Wilmar, PetroChina, Heineken, AbInBev, Porsche, Sinopec etc.

Professional Experience with International Market

Successful GFS tanks projects references in more than 80 countries worldwide.

As an outstanding containment system provider with more than 30 years of experience, Center Enamel Co., Ltd sincerely expects to establish long-term cooperation with the local partners throughout the world and make continuous contribution to the development of the industry.