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.
1989, Feb. : Center Enamel Co., Ltd was established.
1993, Feb. : R&D department was found, especially for new enamel formula’s development.
1994, Aug. : got the first national patent for enamel frit patent.
1995, Mar. : formally established cooperation with China enamel research institute.
1998, Dec.: Center Enamel Co., ltd total annual turnover reach 16 million dollars.
2004, Mar. : Center Enamel Co., Ltd launched glass fused to steel tank production line.
2006, Feb. : after 2 years’ efforts and researching with Angang Group, successfully worked out the special steel which is specially developed for enameling, greatly solve the fish scale problems which commonly happen with the common steel.
2006, Feb. : GFS tanks exporting business grow rapidly, products exported to Malaysia, Indonesia, Cambodia, Kazakhstan and Niger etc.
2008, Jul. : Beijing Olympic Games wastewater treatment project, glass fused to steel tank provider.
2015, Jun. : GFS tanks successfully exported to USA and Australia markets.
We offer a range of services and get your project done smoothly . If you have any issues or questions about our tanks , please contact us and we'll happily guide you through any questions that you might have.
Customized product service
Based on CEC tanks research and develop ability, CEC tanks can develop new enamel formula according to customers’ special requests, e.g. tank color or anti-corrosion ability, until now, CEC tanks already have more than 200 national patents for enamel formula.
GFS tank design and fabrication service
1.CEC tanks professional design team will provide prompt design service upon receiving the inquiry, design standard conform to AWWA D103-09, and OSHA international enamel bolted tank design standards.
2. With advanced CNC laser cutting machine and automatic enamel spraying production line, our production ability can reach 160 sheets / day, and make sure each sheet has superior fabrication precision and stable coating performance.
To make sure the product quality can meet with international standards, we will take the inspection after each fabrication step, such as 1500V holiday test, coating thickness test, coating adhesion test and so on. With professional QC team’s strict inspection, our enamel sheet quality is already widely approved by customers and already exported to more than 30 countries and areas.
Package and transportation
1. Professional export package for ocean shipment : all enamel sheets are protected by PE foam, then packaged with wood box or wood pallet.
2. Transportation service: In able to provide best service, CEC tanks can help with the ocean shipping arrangement once the cargos are ready.
There are 2 options to choose for overseas installation supports: 1. We provide installation tools and send 1 - 2 installation consults to the project spot to help with installation. 2. We provide installation tools and send installation team to the project spot, in charge of the tanks' installation work.
After sales service
GFS tanks can provide 30 years’ service life almost without any maintenance in daily operation. Furthermore, CEC tanks promise 5 years quality warranty for all the tanks once finish the installation. This is our commitment to all customers.
All CEC tanks people work like a big family, it’s our pleasure to provide our best products and service to customers all over the world.
This is a young group full of passion and dream, they are keen to study and willing to provide our best service for overseas clients at anytime.
With professional enamel frit research team and advanced laboratory equipments, CEC tanks can develop new formulas which meet with customized requests for all the different projects.
Experienced GFS tank design team, can provide professional tank design solution according to different project’s requirement. Tank design comply to international standards such as AWWA D103-09, OSHA, ISO28765, and AUS1657 etc.
Product quality is the foundation of company’s long-term development, with professional production team and advanced production line, CEC tanks offer high quality tanks under most favorable cost.
Experienced installation team already installed glass fused to steel tanks in more than 30 countries.