China’s Leading Chemical Wastewater Tank Manufacturer — Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel)
Created on 01.08
China’s Leading Chemical Wastewater Tank Manufacturer — Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel)
As industries across the globe strive to achieve cleaner production and stricter environmental compliance, managing chemical wastewater has become one of the most pressing challenges of modern industrial development. From pulp and paper mills to chemical plants, refineries, food processing facilities, and metal plating operations—every industrial process generates wastewater containing complex and often hazardous chemical compounds.
Proper containment and treatment of chemical wastewater are therefore critical not only for environmental protection but also for ensuring workplace safety, regulatory compliance, and sustainable industrial operations.
Standing at the forefront of this vital environmental effort is Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel)—China’s leading manufacturer of chemical wastewater storage tanks and one of the world’s recognized innovators in environmental containment engineering.
With a legacy of over 35 years of experience in tank manufacturing, Center Enamel has become synonymous with quality, reliability, and technical excellence, delivering Glass-Fused-to-Steel (GFS) tank systems to clients in over 100 countries and regions.
Industrial activities produce millions of cubic meters of chemical wastewater each day. These effluents often contain toxic acids, alkalis, solvents, dyes, heavy metals, and dissolved organic compounds that cannot be discharged directly into the natural environment.
Improper handling of this type of wastewater can lead to severe consequences, including groundwater contamination, soil degradation, and ecological damage. Recognizing the urgency of cleaner production, governments and corporations worldwide are tightening environmental regulations.
To comply with international standards such as the U.S. EPA regulations, the EU Industrial Emissions Directive, and China’s Water Pollution Prevention and Control Action Plan, industries increasingly rely on high-performance containment systems.
This is where Center Enamel’s chemical wastewater tanks play a crucial role—offering safe, corrosion-resistant, long-lasting storage solutions for some of the most aggressive and corrosive effluents imaginable.
Established in 2008, Center Enamel is China’s first and largest GFS tank manufacturer. Over the decades, the company has evolved from a domestic enamel technology pioneer to a global leader serving diverse sectors such as water and wastewater treatment, biogas energy, agriculture, petrochemicals, and food production.
Corporate Highlights:
· Over 150,000 m² of manufacturing area equipped with modern automatic enameling furnaces, CNC systems, and robotic tooling.
· Annual production capacity of 300,000 enamel-coated panels.
· Global partnerships with EPC firms, government utilities, and Fortune 500 corporations.
· Strict compliance with ISO 9001, ISO 14001, and ISO 45001 certification systems.
· Consistent alignment with AWWA D103, EN ISO 28765, NSF/ANSI 61, and WRAS international standards.
With over 30,000 successful projects worldwide, Center Enamel continues to lead the engineering industry by combining safety, sustainability, and structural precision.
The secret behind Center Enamel’s worldwide success lies in its proprietary Glass-Fused-to-Steel (GFS) technology, also known as Glass-Lined Steel. The process involves fusing a layer of vitreous glass onto specially formulated steel plates through high-temperature sintering at 820°C–930°C.
Through this chemical bonding, the molten glass and the steel substrate form an inseparable composite that combines the structural strength of steel with the chemical resistance and smoothness of glass.
Advantages of GFS coating for chemical wastewater applications:
· Superior corrosion resistance: Withstands acids, alkalis, salts, and organic solvents commonly found in chemical effluent.
· pH tolerance: Stable performance across the entire pH range (1–14), even under fluctuating conditions.
· Low adhesion and non-porous surface: Prevents sludge buildup and bacterial growth.
· Long lifetime: Service life exceeds 30 years with virtually no maintenance required.
· Eco-friendly manufacturing: Both glass and steel are recyclable materials, lowering carbon footprint.
The unique characteristics of GFS make it one of the most reliable materials for storing highly aggressive industrial liquids such as chemical wastewater, leachate, or process water.
Chemical wastewater presents unique challenges for containment systems:
· Harsh corrosiveness: Mixtures of acids, alkalis, and oxidative compounds destroy concrete and epoxy linings.
· Temperature variations: Industrial effluent often fluctuates in temperature, causing expansion and contraction stress.
· Toxic gas emissions: Reactions may produce dangerous vapors such as ammonia, H₂S, or volatile organics.
· Safety requirements: Risk of leaks, explosions, and contamination must be mitigated.
Traditional storage structures, such as concrete or painted carbon-steel tanks, quickly deteriorate under these conditions. Microcracks, liner delamination, and leakage are common, leading to costly repairs and environmental hazards.
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