Shijiazhuang Zhengzhong Technology Co., Ltd. is the most experienced tank manufacturer in Asia. Our products include enamel-assembled tanks, epoxy resin tanks, stainless steel tanks, galvanized tanks, aluminum dome covers, and more. Our tank products have been exported to over 90 countries, including the United States, Australia, Canada, Malaysia, Indonesia, Russia, the United Arab Emirates, Panama, Brazil, South Africa, and more. The outstanding quality of our tanks and timely services have earned recognition worldwide.
Our Services
We offer a range of services and get your project done smoothly . If you have any issues or questions about our GFS tanks , please contact us and we'll happily guide you through any questions that you might have.
01 Tank Engineering Design
02 Tank Manufacturing and Packaging
03 Quality Control and Delivery
04 Tank Installation
Why Choose Us?
Our company is particularly trustworthy in terms of production experience and capacity.
Industry Experience
Over 30 years of experience in the tank industry.
International Design Standards
Compliance with international design standards such as AWWA D103-09, OSHA, NSF61, EN28765, and NFPA.
Modern Production Line
Utilizing state-of-the-art automated production equipment, including advanced laser cutting machines
Quality Inspection
Adopting international advanced production quality management standards and obtaining ISO9001, ISO14
Certification
Hold certifications such as ISO9001, NSF/ANSI 61, WRAS, ISO28765, LFGB, BSCI, and ISO45001.
supplier
Supplying tanks to top companies such as Veolia, Coca-Cola, Fengyi International, PetroChina, etc.
International Market Expertise
Tank projects spanning across 90 countries worldwide.
Comprehensive Services
Providing customers with services including engineering design, equipment manufacturing.
We keep working online, get in touch.
If you want to know more product information, or the latest quotation, you can contact us at any time, we will do our best to provide more services.
Applicable to all walks of life related to the company's products.
- 01 About us
- 02 Factory Tour
- 03 Quality Control
- 04 Customer Testimonials
How Can We Help?
Want to know our products, capabilities and resources, Contact us.
news
-
04-162025
The Enduring Strength of Bolted Steel Tanks A Legacy of Innovation and Versatile Application
The Enduring Strength of Bolted Steel Tanks A Legacy of Innovation and Versatile Application In the landscape of liquid and bulk storage solutions, bolted steel tanks stand as a testament to enduring engineering principles combined with modern material science. For decades, these robust structures have provided reliable and cost-effective containment across a diverse range of industries. At Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel), we pride ourselves on being at the forefront of bolted steel tank innovation, delivering high-quality, customizable solutions that meet the evolving needs of our global clientele. This article delves into the rich development history, diverse types, compelling advantages, and wide-ranging applications of bolted steel tanks, offering a comprehensive understanding of their significance in today's industrial world. A Journey Through Time: The Development History of Bolted Steel Tanks The concept of constructing storage vessels from modular components dates back centuries, with early examples utilizing wood and other readily available materials. However, the advent of steel as a strong and durable material in the late 19th and early 20th centuries paved the way for the development of modern bolted steel tanks. Initially, riveted steel tanks were the dominant technology. These tanks, while offering significant improvements over earlier methods, were labor-intensive to construct, requiring skilled boilermakers and hot riveting processes. The potential for leaks and the challenges associated with on-site fabrication and repair presented limitations. The mid-20th century witnessed a pivotal shift with the emergence and refinement of bolted steel tank technology. This innovation addressed many of the drawbacks of riveted tanks by introducing pre-fabricated steel plates with precisely drilled holes. These plates could be easily transported to the installation site and assembled using high-strength bolts, eliminating the need for extensive on-site welding or riveting. Several key factors contributed to the growing popularity of bolted steel tanks: Ease of Transportation: Modular components could be efficiently packed and shipped, reducing transportation costs and logistical complexities, especially for remote locations. Simplified On-Site Assembly: Bolting offered a faster and less labor-intensive assembly process compared to riveting or welding, reducing construction time and associated costs. Enhanced Quality Control: Manufacturing components in a controlled factory environment allowed for stringent quality checks, ensuring consistent and reliable tank construction. Flexibility and Scalability: Bolted designs facilitated easier expansion, relocation, and repair compared to permanently joined structures. As material science advanced, so did bolted steel tank technology. The introduction of high-strength steel alloys, improved coating systems (such as epoxy, polyurethane, and the increasingly popular glass-fused-to-steel), and sophisticated sealing technologies further enhanced the durability, longevity, and corrosion resistance of these tanks. Today, bolted steel tanks represent a mature and highly refined technology, offering a compelling combination of strength, versatility, and cost-effectiveness for a wide array of storage applications. Companies like Center Enamel continue to drive innovation in this field, focusing on advanced materials, optimized designs, and efficient manufacturing processes to meet the evolving demands of the global market. A Spectrum of Solutions: Types of Bolted Steel Tanks The versatility of bolted steel tank construction allows for the creation of various tank types tailored to specific storage needs and industry requirements. Some of the most common types include: Flat Bottom Tanks: These are the most basic and widely used type, ideal for storing large volumes of liquids or bulk solids at atmospheric pressure. They are commonly found in water treatment plants, agricultural settings, and industrial facilities. Conical Bottom Tanks: Featuring a sloped bottom, these tanks facilitate efficient drainage and are particularly suitable for storing materials that may settle or require periodic emptying, such as slurries, wastewater sludge, and certain chemical solutions. Hopper Bottom Tanks: Similar to conical bottom tanks but with a steeper, inverted cone shape, hopper bottom tanks are designed for the storage and discharge of dry bulk solids like grains, powders, and granular materials. Elevated Tanks (Water Towers): Constructed with a supporting structure, elevated bolted steel tanks provide gravity-fed water supply for municipal and industrial applications, ensuring consistent pressure and distribution. API 650 Tanks: These tanks are designed and constructed according to the American Petroleum Institute (API) Standard 650, specifically for the storage of petroleum products in aboveground storage tank (AST) service. They adhere to stringent safety and design requirements. Glass-Fused-to-Steel (GFS) Tanks: This specialized type utilizes steel panels coated with a durable, inert glass enamel. The fusion process creates a strong chemical bond, resulting in exceptional corrosion resistance, making them ideal for storing aggressive liquids like wastewater, anaerobic digestate, and industrial effluents. Center Enamel is a leading provider of high-quality GFS tanks. The specific type of bolted steel tank chosen depends on factors such as the material being stored, storage volume requirements, operating pressure, environmental conditions, and regulatory compliance. The Compelling Advantages: Why Choose Bolted Steel Tanks? Bolted steel tanks offer a multitude of advantages that make them a preferred choice for numerous storage applications: Cost-Effectiveness: Compared to welded concrete or other types of storage tanks, bolted steel tanks often offer lower initial capital costs, particularly for larger volumes. Reduced transportation and on-site assembly times contribute significantly to these savings. Rapid Installation: The modular design and bolting assembly method significantly reduce construction timelines. Pre-fabricated components arrive ready for assembly, minimizing on-site labor and disruption. Ease of Transportation and Relocation: The modular nature allows for efficient packing, shipping, and even dismantling and relocation of the tank if future needs change. This is a significant advantage for temporary storage needs or facilities with evolving layouts. Superior Quality Control: Manufacturing in a controlled factory environment ensures consistent quality and adherence to design specifications. Stringent quality checks can be performed at each stage of production. Durability and Longevity: Constructed from high-strength steel and protected by advanced coating systems, bolted steel tanks offer excellent resistance to corrosion, weathering, and seismic activity, ensuring a long service life. GFS tanks, in particular, exhibit exceptional resistance to aggressive substances. Low Maintenance: The robust construction and corrosion-resistant coatings minimize the need for frequent maintenance. Repairs, if required, are often simpler and more cost-effective due to the modular design. Design Flexibility and Customization: Bolted steel tanks can be designed and customized to meet specific storage volume requirements, site constraints, and application needs. Features like access hatches, nozzles, and internal structures can be easily incorporated. Environmental Friendliness: Steel is a recyclable material, making bolted steel tanks a more sustainable storage solution compared to some alternatives. The reduced on-site construction waste also contributes to environmental responsibility. Scalability: Bolted steel tanks can be easily expanded in the future by adding more rings of steel panels, providing a cost-effective way to increase storage capacity as needs grow. A World of Applications: Where Bolted Steel Tanks Excel The versatility and advantages of bolted steel tanks have led to their widespread adoption across a diverse range of industries and applications: Water and Wastewater Treatment: Bolted steel tanks are extensively used for storing potable water, raw water, treated effluent, sludge, and other liquids in municipal and industrial water and wastewater treatment plants. GFS tanks are particularly popular in this sector due to their excellent corrosion resistance to the aggressive nature of wastewater. Agriculture: These tanks provide reliable storage for irrigation water, liquid fertilizers, animal feed, and manure slurries. Their durability and ease of installation make them ideal for agricultural environments. Industrial Processes: Bolted steel tanks find applications in various industrial sectors for storing process water, chemicals, raw materials, and finished products. Their customizable designs can accommodate specific industrial requirements. Oil and Gas: API 650 compliant bolted steel tanks are crucial for the storage of crude oil, refined petroleum products, and other hydrocarbons in upstream, midstream, and downstream operations. Power Generation: Bolted steel tanks are used for storing boiler feedwater, cooling water, and fuel oil in power plants. Mining and Minerals Processing: These robust tanks provide storage solutions for process water, slurries, and tailings in mining operations. GFS tanks are particularly well-suited for handling abrasive and corrosive mining materials. Food and Beverage: Bolted steel tanks constructed with food-grade coatings are used for storing various liquids in the food and beverage industry, ensuring hygiene and product integrity. Bioenergy: GFS tanks are widely used in anaerobic digestion processes for storing biogas digestate, a nutrient-rich byproduct used as fertilizer. Their resistance to the corrosive nature of digestate is a key advantage. Fire Protection: Elevated bolted steel tanks serve as reliable sources of water for fire suppression systems in industrial and municipal settings. Center Enamel: Your Partner in Bolted Steel Tank Solutions At Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel), we are committed to providing our global customers with high-quality, innovative bolted steel tank solutions. With years of experience in design, manufacturing, and installation, we offer a comprehensive range of bolted steel tanks, including our renowned glass-fused-to-steel tanks. Our expertise lies in: Customized Design: We work closely with our clients to understand their specific requirements and design tanks that meet their exact needs. Advanced Manufacturing: Utilizing state-of-the-art manufacturing processes and stringent quality control measures, we ensure the highest standards of product quality and durability. Global Installation Services: Our experienced installation teams provide efficient and reliable on-site assembly worldwide. Commitment to Innovation: We continuously invest in research and development to enhance our tank technologies and provide cutting-edge solutions. The Enduring Relevance of Bolted Steel Tanks Bolted steel tanks have evolved from simple storage vessels to sophisticated engineered structures offering a compelling combination of economic benefits, operational advantages, and environmental responsibility. Their modular design, ease of installation, durability, and versatility have cemented their position as a cornerstone of liquid and bulk solid storage across a multitude of industries. As the global demand for efficient and reliable storage solutions continues to grow, bolted steel tanks, particularly advanced options like glass-fused-to-steel tanks offered by Center Enamel, will undoubtedly remain a vital and enduring technology, providing robust and sustainable storage solutions for generations to come. We at Center Enamel are proud to be a leading force in this industry, committed to delivering excellence and innovation to our valued customers worldwide.
-
10-092024
Center Enamel's New Manufacturing Base Grand Opening: Pioneering Innovation in the Bolted Tanks Industry
Center Enamel's New Manufacturing Base Grand Opening: Pioneering Innovation in the Bolted Tanks Industry In the land of Zhengding, Shijiazhuang Zhengzhong Technology Co., Ltd. (hereinafter referred to as "Center Enamel") was established. Over the past 30 years, our company has been enriched by this cultural heritage, honing its expertise and craftsmanship. Not only has it built a strong brand presence in the domestic market, but it has also brought high-quality "Made in China" products to the global market. Embracing this cultural nourishment and historical legacy, the Ceremony for the Completion and Commissioning of Center Enamel's Headquarter Manufacturing Base took place on October 9th, 2024 in Zhengding, Hebei province. Guo Jianjun, Member of the Standing Committee of the Zhengding County Party Committee and Executive Deputy County Head, Suo Weihua, Deputy Secretary of the Party Working Committee and Executive Deputy Director of the Management Committee of Zhengding High-tech Zone, along with other leaders and guests, attended the ceremony. Center Enamel's Chairman, Mr. Ding Wenzhan, General Manager, Mr. Ding Shaokun, together with the company's executives and employees, were also present to witness this historic moment for Center Enamel. At the beginning of the ceremony, Mr. Ding Shaokun, General Manager of Center Enamel, delivered a sincere welcome speech, extending a warm welcome to all the leaders and guests present. He also expressed heartfelt gratitude to the various levels of government and friends from all sectors for their continuous support of the company. Following this, Mr. Suo Weihua, Deputy Secretary of the Party Working Committee and Executive Deputy Director of the Management Committee of Zhengding High-tech Zone, gave an enthusiastic speech, expressing high hopes and best wishes for the new manufacturing base of Center Enamel. Mr. Ding Shaokun, General Manager of Center Enamel, delivered a welcome speech Mr. Suo Weihua, Deputy Secretary of the Party Working Committee and Executive Deputy Director of the Management Committee of Zhengding High-tech Zone，delivered a speech Following this, under the attention of all the guests, the leaders took the stage to perform the ribbon-cutting ceremony, which was completed successfully amid enthusiastic applause and cheers. After the ceremony, Guo Jianjun, Member of the Standing Committee of the Zhengding County Party Committee and Executive Deputy County Head, officially announced the completion and operation of the headquarters manufacturing base of Center Enamel. The successful completion of Center Enamel's new manufacturing base not only signifies the expansion of the company’s global production capacity and a significant enhancement of its brand influence and market competitiveness but also marks a glorious chapter in the company’s development history. Chairman of Center Enamel Mr. Ding Wenzhan, General Manager Mr. Ding Shaokun, and company executives cut the ribbon Mr. Guo Jianjun, member of the county party committee and executive deputy county governor, announced the completion and commissioning of the new manufacturing base of Center Enamel Establishing a High-End Manufacturing Base: Adhering to High Standards for a Broader Vision and Larger Scope Today, innovation has become the core driving force for high-quality development. For more than 30 years, Center Enamel has adhered to continuous technological innovation and achieved significant breakthroughs in research and development. Our company has pioneered the development of Glass-Fused-to-Steel tanks, fusion bonded epoxy tanks, and aluminum dome roofs, securing its position as a leader in the global bolted tanks industry. The newly completed high-end environmental equipment manufacturing base is a testament to the company's commitment to high-quality development, extending the environmental industrial chain, and offering systematic solutions and innovative equipment to our clients. The newly constructed manufacturing base spans nearly 100,000 square meters, featuring fully automated production lines that are modeled after international best practices. These lines have been designed to seamlessly integrate every stage of the production process, from raw material intake to intermediate procedures, equipment layout, material transportation, and final product output. By adopting international standards for automation and processing, the factory will significantly enhance product quality and technical content, achieving a harmonious cycle of economic, environmental, and social benefits. To cater to the diverse applications of its products, multiple production lines have been established, including those for Glass-Fused-to-Steel plates and fusion bonded epoxy coated steel plates. These production lines work in tandem, providing strong support for our company’s business expansion. Adhere to High-Level Operations and Expand More Product Technologies with Innovative Mechanisms Innovation has always been at the core of Center Enamel’s operations, continually leading the way in equipment technology. The new manufacturing base features a cutting-edge research and development center, along with a corporate exhibition hall, serving as the highlights of the new manufacturing base. The R&D center, empowered by advanced technology, will greatly contribute to the development and application of bolted tanks, further strengthening our company's technological edge and market leadership. Moreover, in terms of innovation across new materials, technologies, processes, and products, the R&D center will provide robust support for continued growth. Our corporate exhibition hall, equipped with interactive multimedia technology, will showcase Center Enamel’s corporate profile, culture, and milestones in a multi-dimensional and engaging way. Visitors will also be able to explore the company’s innovative equipment and achievements in the bolted tank industry. The exhibition will highlight various successful projects across multiple global sectors, offering a glimpse into the company’s strength and broad prospects for future development. Looking to the Future with Ambition Center Enamel is committed to its mission in this new era. With even greater goals and actions in sight, the company will continue to provide specialized services to clients, enhance its capacity for innovation, and drive high-quality development of cutting-edge technologies in China. In accelerating the quality improvement and large-scale development of high-end environmental equipment, Center Enamel will play a vital role. Guided by the values of "quality, integrity, friendship, and progress," Center Enamel is steadily moving toward its goal of becoming the largest and most professional provider of bolted tanks solutions worldwide.
-
05-202024
Center Enamel provides Fusion Bonded Epoxy Tanks for Mesophilic Farm Digester
Center Enamel provides Fusion Bonded Epoxy Tanks for Mesophilic Farm Digester In the realm of sustainable agriculture, mesophilic digesters have become a pivotal technology for converting organic farm waste into valuable biogas. To ensure optimal performance and longevity of these systems, the choice of storage tanks is crucial. Center Enamel, a leading manufacturer of bolted steel tanks, offers Fusion Bonded Epoxy (FBE) tanks specifically designed for mesophilic farm digesters. These tanks provide exceptional durability, resistance to harsh environments, and ease of maintenance, making them the ideal choice for modern agricultural applications. Center Enamel’s Fusion Bonded Epoxy tanks are the epitome of reliability and efficiency for mesophilic farm digesters. Their superior corrosion resistance, durability, and ease of maintenance make them an ideal choice for modern agricultural biogas production. Center Enamel’s commitment to providing customized solutions and adhering to international standards ensures that each tank meets the unique needs of the farm, enhancing the overall effectiveness of the digestion process. As a leader in the industry, Center Enamel continues to set the benchmark for excellence, delivering top-tier storage solutions to agricultural clients around the globe. With over 30 years of experience in tank research, production, and construction, Zhengzhong Technology, in collaboration with the leading global paint and coating manufacturer AkzoNobel, has jointly developed Fusion Bonded Epoxy (FBE) coating technology. Epoxy coating is an advanced anti-corrosion coating known for its exceptional corrosion resistance and adhesion properties. Moreover, the epoxy coating technology employs special construction techniques such as electrostatic spraying, enhancing coating uniformity and adhesion, thereby significantly extending the tank's lifespan. Tanks coated with epoxy coating technology not only boast advanced technology and cost-effectiveness but also offer convenient and swift installation. Their quality meets the requirements of standards such as AWWA D103-09 and ISO 9227/ASTM B117, garnering immediate recognition from customers upon introduction. Epoxy Coated Steel Tanks Specifications Application Test Standard Result Coating Color Standard RAL 5015 sky blue Other colors are available Dry Film Thickness Average Dry Thickness 5~10 miles /125 ~250 microns(internal) 5~10 miles /125 ~250 microns(epoxy primer+ topcoat) Holiday Test ≥1100V (all panels) Zero-discontinuity at test voltage Hot water immersion 90 days, 70° AWWA C550-05 Meets/exceeds standard Corrosion Resistance Salt Spray ISO 9227/ASTM B117 Pass Impact Resistance ASTM D2794 Pass 160 in-ibs direct & reverse impact PH Range 3~12 Abrasion Resistance Adhesion ASTM D3359 Adhesion ASTM D3359 Hardness ISO15184 / ASTM D3363 2H Chemical Immersion test 50% NaOH, 50% H2S04 Meets/exceeds industry standard UV Resistance outdoor exposure testing 5 years Color Stability outdoor exposure testing 5 years Advantages of Fusion Bonded Epoxy Tanks Superior Corrosion Resistance Fusion Bonded Epoxy tanks are renowned for their excellent corrosion resistance. In mesophilic digesters, tanks are exposed to organic acids and biogas, which can be highly corrosive. The FBE coating creates a strong barrier against these elements, ensuring the structural integrity and longevity of the tanks. This resistance to corrosion reduces the need for frequent maintenance and repairs, translating to cost savings for farmers. Enhanced Durability and Longevity The FBE coating is applied through a high-temperature process, resulting in a tough, durable surface that can withstand physical and chemical stresses. This makes Fusion Bonded Epoxy tanks highly durable, ensuring they can endure the rigorous conditions of mesophilic digestion processes. The long-lasting nature of these tanks makes them a reliable investment for farmers looking to optimize their biogas production. Easy Installation and Maintenance Center Enamel’s Fusion Bonded Epoxy tanks are designed for easy installation, which is a significant advantage for farm operations. The modular design of bolted steel tanks allows for quick assembly on-site, minimizing downtime and disruption. Additionally, the smooth interior surface of the FBE coating prevents build-up of organic materials, making the tanks easier to clean and maintain. This ease of maintenance helps maintain the efficiency and hygiene of the mesophilic digestion process. Center Enamel’s Expertise in Mesophilic Farm Digesters Customized Solutions Center Enamel understands that each farm has unique requirements for its mesophilic digester. Therefore, they offer customized FBE tanks tailored to specific needs, including size, capacity, and design features. By working closely with farmers, Center Enamel ensures that each tank meets the precise requirements of the digestion process, enhancing overall efficiency and productivity. Proven Track Record With a history of successful projects in over 90 countries, Center Enamel has established itself as a trusted partner in the biogas industry. Their Fusion Bonded Epoxy tanks have been implemented in numerous mesophilic digester projects, consistently delivering exceptional performance and reliability. This extensive experience and proven success make Center Enamel a preferred choice for farmers worldwide. Compliance with International Standards Center Enamel is committed to quality and adheres to the highest international standards. Their FBE tanks are manufactured in compliance with ISO 9001, NSF/ANSI 61, and other relevant certifications, ensuring that farmers receive products that meet stringent quality and safety requirements. This dedication to quality ensures that Center Enamel’s tanks provide reliable and safe storage solutions for mesophilic digesters. Global Recognition and Partnerships With a global footprint spanning over 90 countries, Center Enamel's storage tanks have earned widespread recognition and acclaim. Partnerships with industry giants such as Paques, Veolia, Coca-Cola, PetroChina, and Sinopec underscore the company's stature as a trusted provider of storage solutions worldwide. Shijiazhuang Zhengzhong Technology Co., Ltd combines the excellent performance of different storage tanks to provide customers with solutions composed of diversified equipment combinations, flexibly meeting both customer needs and application requirements. Throughout the project construction process, Shijiazhuang Zhengzhong Technology Co., Ltd's teams collaborate closely, actively coordinate, and attach importance to every aspect, ensuring each step is meticulously monitored to ensure the smooth completion of the project. From being a leader in the Asian glass-fused-to-steel tank industry to becoming a diversified equipment manufacturer in China's environmental protection sector Shijiazhuang Zhengzhong Technology Co., Ltd continuously iterates and upgrades its equipment development using key core technologies, driving sustained high-quality development of the company's business under new circumstances. Leveraging its existing brand advantage, technological expertise, and team strength, the company will continue to focus on cutting-edge industry technology, adhere to a diversified development strategy, and promote its environmental business to new heights, while jointly creating a beautiful ecological landscape. https://www.cectank.com/epoxy-coated-steel-tanks/
FAQS
Algeria
Argentina
Australia
Bangladesh
Bolivia
Brazil
Cambodia
Canada
Chile
China
Congo
Cuba
Denmark
Egypt
Ethiopia
Finland
France
Germany
Greece
Iceland
Indonesia
Iran
Ireland
Israel
Italy
Japan
Kazakhstan
Kenya
Korea
Macedonia
Malaysia
Mexico
New Zealand
Nigeria
Norway
Pakistan
Peru
Philippine
Russia
Saudi Arabia
Singapore
South Africa
South Korea
Spain
Thailand
Tunisia
Turkey
UAE
Uganda
Ukraine
UK
Uruguay
USA
Uzbekistan
Vietnam
Zimbabwe
Shijiazhuang Zhengzhong Technology Co., Ltd
sales@cectank.com86-20-34061629
Fuli Commercial Center room 301#, Xingang West Rd.11#, Haizhu area, Guangzhou, Guangdong province, China.
China Good Quality Glass Fused To Steel Tanks Supplier. Copyright © 2016-2025 cectanks.com . All Rights Reserved.
