China’s Leading Raw Water Tank Manufacturer — Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel)
China’s Leading Raw Water Tank Manufacturer — Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel)
Introduction — Ensuring Clean, Reliable Water Through Advanced Storage Solutions
Clean and reliable raw water supply is the foundation of modern infrastructure — whether for municipal distribution, industrial processes, agriculture, food production, or emergency reserves. At the heart of effective water management lies raw water storage tanks: engineered systems that safely hold water before treatment, distribution, or reuse.
As global demand for sustainable water solutions continues to grow, so does the need for technologically advanced storage tanks that offer durability, hygiene, environmental protection, and long service life. Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) stands at the forefront of this field as a China leading raw water tank manufacturer, providing high-performance storage tanks engineered for diverse applications and global compliance.
With over two decades of professional experience, strict quality systems, global certifications, and successful projects delivered across continents, Center Enamel delivers raw water tank solutions that meet the most demanding industrial and municipal requirements.
1. What Is a Raw Water Tank and Why It Matters
1.1 Definition and Purpose
A raw water tank is a water storage system used to hold untreated, unfiltered water sourced from rivers, lakes, reservoirs, wells, or other natural sources. Unlike potable water tanks, raw water tanks are designed to store water before it enters the treatment process. This critical function enables:
Balanced inflow and treatment schedules
Uniform supply during demand peaks
Buffer storage for maintenance or system interruptions
Seasonal or weather-related supply management
Because raw water may contain sediments, natural organic matter, suspended solids, and biological content, raw water tanks must be engineered to handle variable conditions and interface effectively with water treatment plants.
1.2 Why Engineered Storage Tanks Matter
Raw water tanks serve as initial storage prior to purification and distribution. As such, they must:
Preserve water quality until treatment
Minimize contamination from external sources
Withstand environmental conditions
Align with local and international engineering standards
Support safe and efficient water treatment workflows
Center Enamel’s raw water tank systems exhibit all these qualities, earning them trust in both industrial and municipal markets.
2. Company Profile — Center Enamel: Engineering Raw Water Solutions Since 2008
2.1 From China to the World
Founded in 2008, Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) has established itself as a leading manufacturer of water storage tanks, including raw water tanks, specializing in:
Glass-Fused-to-Steel (GFS) tanks
Fusion Bonded Epoxy Coated Tanks
Stainless Steel Tanks
Galvanized Steel Tanks
Aluminum Dome Roofs
Storage Tank Roof Systems
EPC Technical Support
Center Enamel’s mission is to provide durable, reliable, efficient, and cost-effective storage solutions that help customers around the world enhance water infrastructure performance.
2.2 Global Footprint
Center Enamel’s raw water tank solutions have been delivered and installed in multiple regions, including:
Asia
Europe
North America
South America
Africa
Oceania
The company’s ability to deliver globally while maintaining local responsiveness has earned the trust of governments, municipal utilities, industrial clients, and EPC contractors.
3. Raw Water Tank Technologies — Engineered for Performance
Raw water tanks must accommodate fluctuating water quality, environmental exposure, and long service life. Center Enamel achieves this through advanced material science, coating technologies, and manufacturing precision.
3.1 Glass-Fused-to-Steel (GFS) Tanks — A Proven Classic
Glass-Fused-to-Steel (GFS) technology involves fusing a specially formulated glass coating to steel surfaces under high heat. This process produces a non-porous, inert surface with outstanding corrosion resistance and long service life.
Why GFS for Raw Water Tanks?
Excellent resistance to water corrosion and sediment abrasion
Non-reactive interior surface that minimizes contamination
Long lifecycle with minimal maintenance
Smooth surface reduces biofilm buildup
Glass-Fused-to-Steel tanks are widely used for raw water applications where water quality consistency and durability are priorities.
3.2 Fusion Bonded Epoxy (FBE) Tanks — Durable Coating Performance
Fusion Bonded Epoxy (FBE) coatings provide a protective polymer layer on steel surfaces, delivering:
Strong adhesion
High chemical resistance
Effective moisture barrier
Excellent corrosion protection
FBE tanks are ideal for raw water storage in industrial environments where the water may contain variable contaminants, making corrosion protection a critical factor.
3.3 Stainless Steel Tanks — Premium and Hygienic Performance
Center Enamel also manufactures AISI 304 and AISI 316 stainless steel tanks suited for applications where hygiene and corrosion resistance are paramount.
Benefits include:
Non-reactive interior suitable for potable or high-purity water
Exceptional corrosion resistance
Long service life, even in aggressive environments
Minimal maintenance
Stainless steel tanks are often used in municipal water supply, high-purity applications, and environments where long-term reliability is essential.
3.4 Hybrid Tank Designs — Best of Both Worlds
Center Enamel offers hybrid tank designs that combine Glass-Fused-to-Steel lower panels with stainless steel upper panels. These hybrid systems:
Reduce material costs
Maximize corrosion resistance where needed most
Maintain structural strength
Provide water quality integrity
Hybrid designs deliver optimized performance for projects balancing cost and performance requirements.
4. Product Portfolio — Raw Water Storage Solutions
Center Enamel’s product line addresses a wide range of raw water storage needs.
4.1 Ground Raw Water Tanks
Ground raw water tanks are traditional, above-ground reservoirs that store bulk water before treatment. They provide:
Large storage capacity
Easy integration with water treatment facilities
High accessibility for inspection and maintenance
Compatibility with various piping and instrumentation systems
Available in multiple sizes and capacities, ground raw water tanks can accommodate small communities and large municipal systems alike.
4.2 Elevated Raw Water Tanks
Elevated tanks store water at height to create gravity-fed distribution pressure, reducing dependence on pumps and enhancing system resilience. These tanks are suitable for:
Urban water supply systems
Rural distribution networks
Emergency reserve applications
Center Enamel’s elevated raw water tanks are engineered to balance structural loads while ensuring water quality integrity.
4.3 Covered Raw Water Tanks
For applications where protection from contamination or environmental exposure is required, Center Enamel offers covered storage solutions. These can include:
FRP Roofs for corrosion resistance
Glass-Fused-to-Steel Roofs for air-tight sealed conditions
Aluminum Dome Roofs for large-span protection
Covers prevent dust, debris, rainwater intrusion, and biological contamination, ensuring raw water remains suitable for treatment processes.
5. Applications of Raw Water Tanks
Raw water tanks are integral components across multiple sectors:
5.1 Municipal Water Supply
Municipal systems use raw water tanks to store water from natural sources prior to treatment. These tanks help balance variability in inflow, regulate supply, and ensure continuous operation of treatment plants.
5.2 Industrial Water Systems
Industries such as manufacturing, mining, power generation, and food processing require large volumes of raw water for:
Cooling and processing
Boiler feedwater
Equipment cleaning
Process integration
Robust storage ensures service continuity and operational reliability.
5.3 Agriculture and Irrigation
Agricultural operations rely on raw water tanks to manage irrigation schedules, buffer seasonal supply variations, and support livestock water needs.
5.4 Emergency and Fire Water Reserve
Raw water tanks can also serve as emergency reserve water sources for fire protection systems, ensuring availability when critical.
6. Quality Assurance and International Standards
Center Enamel’s raw water tanks are manufactured under strict quality management systems to ensure long-term reliability and performance.
Quality Management
ISO 9001 Certified Systems
Advanced manufacturing technology
Precision engineering and fabrication
Standards Compliance
Raw water tanks comply with international and industry standards, including:
AWWA D103-09 design guidance
Structural and coating performance standards
National water quality compliance frameworks
These quality systems ensure that tanks are safe, durable, and suitable for global water infrastructure projects.
7. Tank Accessories and Integration
Raw water tank systems can be equipped with:
Inlet and outlet piping systems
Overflow and level control devices
Access ladders and platforms
Manholes and inspection ports
Roof ventilation and antimicrobial fittings
Center Enamel works with project engineers to configure complete, customized systems that align with process and safety requirements.
8. Project Experience — Global Deliveries in Action
Center Enamel’s raw water tank solutions have been deployed in various international projects, including:
Large-capacity municipal water storage in emerging markets
Industrial raw water tanks for manufacturing and processing facilities
Combined water treatment and storage systems integrating stainless steel and hybrid tanks
Covered raw water tanks with corrosion-resistant roof systems
These references reflect Center Enamel’s ability to support global water infrastructure development with reliable engineering solutions.
9. Raw Water Tanks and Sustainability
Modern water storage infrastructure must align with sustainability goals:
Long Lifecycle and Low Maintenance
High-quality materials and corrosion protection translate to longer tank life with minimal maintenance interventions.
Environmentally Friendly Materials
Glass-Fused-to-Steel coatings and stainless steel materials are recyclable and free from harmful coatings.
Energy Optimization
Elevated water tanks and optimized distribution networks reduce energy consumption in pumping and delivery.
Water Resource Management
Reliable storage enables better water resource planning, reuse strategies, and drought resilience.
10. Engineering Support and EPC Services
Center Enamel offers full engineering support, including:
Concept and feasibility studies
Detailed design and engineering
Installation guidance and supervision
After-sales service and maintenance support
This end-to-end technical partnership ensures project success from inception through operation.
11. Why Center Enamel Is the Preferred China Raw Water Tank Manufacturer
Proven Expertise
With more than a decade of experience, Center Enamel understands the nuances of storage tank engineering.
Comprehensive Product Range
From GFS and stainless steel tanks to hybrid designs and roof solutions, we offer full coverage.
Quality and Compliance
ISO-certified production and international standard alignment ensure global acceptance.
Customization and Flexibility
Solutions are tailored to site, environmental, and operational requirements.
Global Delivery and Support
Projects delivered across continents reflect our commitment to international service excellence.
Trusted Water Storage Solutions for a Water-Secure Future
As cities grow, industries expand, and populations demand reliable access to clean water, raw water tanks continue to be vital infrastructure components. The choice of a storage tank manufacturer can significantly influence:
Water quality and safety
System reliability
Project lifecycle cost
Environmental compliance
Long-term operational performance
Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) stands out as a China leading raw water tank manufacturer with a comprehensive range of engineered solutions backed by quality systems, global standards compliance, and extensive project experience.
Whether your project involves municipal water supply, industrial water systems, agricultural irrigation, or emergency reserves, Center Enamel provides reliable, durable, and cost-effective raw water storage solutions designed for success.
Partner with Center Enamel — Your Global Source for Advanced Raw Water Tank Systems.

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