China’s Leading Water Tank Manufacturer

China’s Leading Water Tank Manufacturer

Glass-Fused-to-Steel Solutions by Center Enamel for Global Water Storage Excellence

Water is fundamental to life, economic growth, energy production, agriculture, sanitation, and environmental sustainability. Whether for drinking water storage, firefighting reserves, industrial process supply, agricultural irrigation, emergency backup, or treated wastewater reuse, reliable water storage infrastructure is indispensable. In response to these global demands, Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) has emerged as a world-leading water tank manufacturer, delivering advanced Glass-Fused-to-Steel (GFS) tanks that set the standard for durability, hygiene, performance, and long-term value.

With nearly two decades of innovation, patented technology, rigorous international certifications, and installations across more than 100 countries, Center Enamel’s GFS water tanks help communities, industries, and governments store water safely, sustainably, and cost-effectively — even under the most challenging environments.

Center Enamel: Pioneer and Global Leader in GFS Water Tank Technology

Founded in 2008, Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is a professional manufacturer focused on the design, production, and global delivery of engineered water and liquid storage solutions. While known across Asia as the first domestic manufacturer of Glass-Fused-to-Steel tanks, Center Enamel has since grown to become the most experienced bolted tank provider in the region and a trusted partner worldwide.

Comprehensive Product Portfolio

Center Enamel’s range includes:

Glass-Fused-to-Steel (GFS) Tanks — flagship corrosion-resistant storage systems

Fusion Bonded Epoxy Tanks — robust and flexible coated steel tanks

Stainless Steel Tanks — for sanitary or highly corrosive environments

Galvanized Steel Tanks — economical and durable steel storage

Aluminum Geodesic Dome Roofs — for enhanced weather protection

EPC (Engineering, Procurement, Construction) Technical Support

With almost 200 patented enameling technologies and a professional R&D team, Center Enamel delivers water tank systems that exceed global expectations for quality, durability, and safety.

What Is Glass-Fused-to-Steel Technology?

Glass-Fused-to-Steel (GFS) technology is an advanced coating process where specially formulated glass is fused under high temperature (typically 820°C to 930°C) to hot-rolled steel panels. During this high-temperature process, the molten glass chemically bonds with the steel substrate, forming a permanent inorganic enamel layer with exceptional performance characteristics.

Core Attributes of GFS Technology

Permanent bond — The glass cannot peel, blister, or delaminate like organic coatings.

Corrosion resistance — Inert glass resists chemical attack from water impurities, oxygen, and environmental agents.

Smooth, non-porous surface — Ideal for hygienic water storage with minimal biofilm adhesion.

Impermeability — Completely prevents water and gas permeability.

Impact and abrasion resistance — Highly durable against physical wear and tear.

Glass-Fused-to-Steel tanks combine steel’s structural strength with glass’s chemical resistance, making them superior to traditional concrete, painted steel, epoxy-coated tanks, or fiberglass solutions.

Why GFS Tanks Are the Optimal Choice for Water Storage

1. Superior Corrosion Resistance

Water storage tanks are constantly in contact with moisture, dissolved oxygen, minerals, and occasionally treatment chemicals. GFS coatings protect steel from rust, pitting, and chemical degradation over decades — a major advantage over conventional coatings that deteriorate over time.

2. Hygienic Non-Porous Surface

The smooth glass interior prevents microorganisms, sediment, and biofilm from adhering to the surface, supporting water quality and reducing cleaning frequency. For potable water applications, this surface helps maintain hygiene and safety.

3. Leak-Proof Structural Integrity

GFS tanks provide gas and liquid impermeability, removing the risk of seepage that can contaminate soil or groundwater. This makes GFS tanks ideal for municipalities, industrial sites, agriculture, and emergency storage.

4. Long Service Life

With a typical design service life of 30 years or more, GFS tanks significantly outperform many conventional materials that suffer from corrosion, cracking, or coating failure. This translates to lower lifecycle costs and minimal intervention.

5. Modular Bolted Construction

Center Enamel’s GFS tanks use a bolted modular design that allows:

Rapid and safe on-site assembly

Reduced construction time and labor

Efficient transportation to remote or restricted sites

Flexibility for future expansion or relocation

6. Wide Range of Customization

Tanks can be customized by size, shape, roof type, color, accessories, and integration features to meet project-specific requirements.

Technical Specifications of GFS Water Tanks

Feature Specification

Coating Thickness 0.25–0.45 mm

Adhesion Strength ≥3450 N/cm²

Hardness 6.0 Mohs

Holiday Test Voltage 1500 V

Permeability Gas & liquid impermeable

Surface Smooth, glossy, inert, anti-adhesion

Service Life ≥30 years

Assembly Modular bolted panel design

Available Colors Black Blue, Forest Green, Grey Olive, Cobalt Blue, Desert Tan, Sky Blue, Mist Green

These specifications ensure that Center Enamel’s GFS tanks deliver reliable structural performance, corrosion protection, and water quality preservation under diverse conditions.

International Standards and Certifications

Center Enamel’s GFS water tanks are designed, manufactured, and tested in accordance with global standards to ensure safety, durability, and regulatory compliance:

ISO 9001 — Quality Management System

ISO 45001 — Occupational Health & Safety

ISO 28765 — Glass-Fused-to-Steel Tank Standard

AWWA D103-09 — Steel Water Storage Tank Standard

NSF/ANSI 61 — Drinking Water System Components Safety

CE / EN1090 Certification

WRAS, FM, LFGB, BSCI — (Accessory and compliance certifications)

These certifications ensure that Center Enamel’s water tanks meet the stringent quality requirements of water authorities, industrial regulators, and international markets.

Wide-Ranging Applications of GFS Water Tanks

GFS water tanks from Center Enamel are used across a broad spectrum of water storage and infrastructure needs:

1. Municipal Drinking Water Storage

GFS tanks provide corrosion-resistant storage of treated potable water for towns, cities, and rural communities. The non-porous interior helps maintain water quality and supports public health requirements.

2. Firefighting Water Reserves

Industrial complexes, commercial districts, airports, and residential communities rely on GFS tanks for emergency firefighting water storage — ensuring reliable reserves are available when needed.

3. Industrial Process Water

Factories, power plants, and manufacturing facilities require consistent storage of high-quality water for processing, steam generation, cooling systems, and equipment cleaning. GFS tanks resist contamination and coating breakdown.

4. Agriculture & Irrigation Water

Farms, plantations, and irrigation systems use GFS tanks for seasonal water storage, livestock watering, fertigation support, and aquaculture systems.

5. Emergency & Backup Water Systems

In regions susceptible to droughts, supply interruptions, or natural disasters, GFS tanks provide dependable emergency or backup water storage.

6. Water Treatment & Distribution Systems

Water utilities use GFS tanks at treatment plant sites, equalization basins, and distribution nodes to ensure steady flow and compliance with regulatory standards.

7. Recreational & Community Water Systems

Golf courses, parks, recreational facilities, and community centers use GFS tanks for water storage, irrigation, and safety reserves.

Comparison With Traditional Tank Materials

Concrete Tanks

Issues: Prone to cracking, leakage, corrosion from water chemistry, costly joint sealing and repair.

GFS Advantage: Impervious, leak-proof, corrosion-resistant, and faster to install.

Painted or Epoxy-Coated Steel

Issues: Organic coatings degrade, peel, or blister under temperature cycles and corrosive environments.

GFS Advantage: Permanent glass bond resists thermal stress and chemical attack.

Fiberglass or Plastic Tanks

Issues: UV degradation, impact sensitivity, permeation issues, limited service life.

GFS Advantage: Superior strength, impact resistance, and long lifecycle.

Manufacturing Excellence and Innovation

Center Enamel operates a state-of-the-art manufacturing base spanning over 150,000 m², equipped with:

Smart manufacturing workshops

Precision enameling kilns

Automated panel production lines

Rigorous quality control laboratories

R&D innovation centers

Corporate technology and application exhibition halls

Key milestones include:

Development of Asia’s first double-sided enameled hot-rolled steel plate

Fabrication of GFS tanks up to 32,000 m³

Installation of tanks exceeding 34.8 meters in height

Breaking records with single-tank volumes of 21,094 m³

These achievements reflect Center Enamel’s engineering depth, quality control processes, and capacity to deliver large-scale, high-precision water storage infrastructure.

Global Deployment and Project Experience

Center Enamel’s GFS water tanks have been installed in projects throughout more than 100 countries, illustrating adaptability across climates, regulatory environments, and infrastructure types:

North America (USA, Canada)

Municipal water storage, industrial process reserves, and emergency firefighting water systems.

Latin America (Brazil, Panama)

Urban water systems, agricultural storage solutions, and industrial water applications.

Europe & CIS (Russia, Eastern Europe)

High-performance potable water tanks and public utility systems that comply with European standards.

Middle East (UAE, Saudi Arabia)

Water storage systems designed for extreme heat, arid conditions, and marine environments.

Southeast Asia (Malaysia, Indonesia)

Community water tanks, agricultural water storage, and coastal water systems in humid, tropical climates.

Africa & South Africa

Growing urban and rural water infrastructure supported by corrosion-resistant GFS solutions.

These global installations verify Center Enamel’s ability to meet diverse water storage requirements, local standards, and environmental challenges.

Integrated Accessories and System Support

Center Enamel’s water tank solutions extend beyond the tank shell to include:

Aluminum geodesic or flat roofs for environmental protection

Manholes, access hatches, and inspection ports

Nozzles, flanges, and piping interfaces

Level gauges, instrumentation, and monitoring systems

Walkways, ladders, safety railings, and platforms

EPC support for turnkey system delivery

These integrated components enhance tank functionality, safety, and ease of operation in real-world applications.

Project Delivery and Lifecycle Support

Center Enamel supports customers throughout the entire project lifecycle:

Consultation and Feasibility

Site assessment and water demand analysis

Regulatory compliance guidance

Cost estimation and planning

Engineering & Design

Structural and hydraulic design

Seismic and environmental load analysis

Custom configuration and layout

Fabrication & Quality Assurance

Precision manufacturing under strict QC

Holiday and thickness testing

Weld and panel inspection

Logistics & Installation Support

Transport and packaging optimization

On-site assembly supervision

Commissioning support

After-Sales & Lifecycle Services

Operational procedures

Maintenance protocols

Long-term performance reviews

This comprehensive support model ensures reliable outcomes, performance expectations, and long-term customer satisfaction.

Environmental and Sustainability Benefits

Center Enamel’s GFS water tanks support environmental sustainability by:

Minimizing corrosion and leakage risk

Reducing maintenance-related waste

Extending service life and reducing replacement waste

Protecting soil and groundwater

Supporting water reuse and reuse systems

These benefits align with global sustainability goals and the increasing demand for resilient water infrastructure.

Why Choose Center Enamel as Your Water Tank Manufacturer?

Industry Leadership

Center Enamel pioneered GFS technology in China and leads tank innovation with patented solutions.

Global Standards Compliance

Tanks are designed and certified to ISO, CE, NSF/ANSI, WRAS, and other global benchmarks.

Custom Engineering Expertise

Solutions tailored to site conditions, regulatory requirements, and operational needs.

Advanced Manufacturing

High-precision fabrication, extensive QC, and robust production capacity.

Global Footprint

Successful installations in diverse climates and industries across six continents.

Comprehensive Support

From planning and engineering to installation and long-term service.

Water storage underpins public health, economic productivity, environmental quality, and community resilience. Glass-Fused-to-Steel water tanks from Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) deliver one of the most reliable, durable, and cost-effective solutions for water storage needs worldwide.

Backed by world-class engineering, advanced manufacturing, stringent international certifications, and decades of global experience, Center Enamel’s GFS tanks provide performance, peace of mind, and long-term value — whether used for potable water storage, firefighting reserves, industrial processes, agriculture, emergency backup, or wastewater reuse.

As China’s leading water tank manufacturer, Center Enamel is committed to advancing water infrastructure globally — helping communities and industries to store, protect, and manage water sustainably for today and generations to come.

Shijiazhuang Zhengzhong Technology Co.,Ltd is a professional manufacturer dedicated to the design and fabrication of bolted storage tanks since 2008. Our products range includes Glass-Fused-to-Steel (GFS) tanks, fusion bonded epoxy tanks, stainless steel tanks, galvanized steel tanks and aluminum geodesic dome roofs. With professional enameling R&D team and more than 20 enameling patents, Shijiazhuang Zhengzhong Technology Co.,Ltd has become the leader in bolted tanks industry of Asia. Our products are certified to ISO 9001, CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001 and other international standards.

Shijiazhuang Zhengzhong Technology Co., Ltd 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 2023, Center Enamel bolted tanks have been exported to more than 100 countries including USA, Australia, Canada, Malaysia, Indonesia, Russia, UAE, Panama, Brazil and South Africa etc., the superior tank quality and prompt service gains us worldwide recognition.

As an outstanding containment and cover system provider with more than 30 years of experience, Shijiazhuang Zhengzhong Technology 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.