Top 10 double-walled tank Suppliers in China 2026

Introduction to Double - Walled Tanks

Double - walled tanks are advanced storage solutions designed to enhance safety and environmental protection. They consist of an inner tank that holds the stored substance, such as oil, chemicals, or water, and an outer tank that acts as a secondary containment. The space between the two walls can be monitored for leaks, providing an early warning system to prevent potential spills and environmental contamination. Double - walled tanks are widely used in various industries, including oil and gas, chemical, food and beverage, and water treatment, due to their reliability and compliance with strict safety regulations.

Top 10 Suppliers

1. Zhongneng Huajian (Shandong) Metal Structure Co., Ltd.

Zhongneng Huajian (Shandong) Metal Structure Co., Ltd. is a prominent player in the field of metal structure manufacturing. The company has a long - standing reputation for delivering high - quality products and services. It has a state - of the - art manufacturing facility equipped with advanced production equipment and a team of highly skilled engineers and technicians.

The company's double - walled tanks are designed with precision, using high - grade steel materials. The tanks are built to withstand extreme conditions, including high pressure and harsh weather. Zhongneng Huajian's double - walled tanks are widely used in the oil and gas industry for storing crude oil, refined products, and other petroleum - based substances.

Features in Double - Walled Tanks:

Advanced Leak Detection System: The tanks are equipped with a sophisticated leak detection system that can quickly detect even the smallest leaks in the inner tank. This system continuously monitors the space between the two walls and sends an alarm in case of any abnormal conditions.
Customizable Design: The company offers customizable double - walled tank solutions to meet the specific needs of different customers. Whether it is the size, shape, or capacity of the tank, Zhongneng Huajian can design and manufacture a tank that suits the customer's requirements.
High - Quality Materials: The tanks are made from high - quality steel that is corrosion - resistant and has high strength. This ensures the long - term durability of the tanks and reduces the risk of leaks and failures.

Advantages:

Strong R & D Capability: The company invests heavily in research and development to continuously improve the performance and quality of its double - walled tanks. It collaborates with leading research institutions to introduce the latest technologies and materials into its products.
Comprehensive After - Sales Service: Zhongneng Huajian provides comprehensive after - sales service, including installation, maintenance, and repair. The company has a professional after - sales team that can respond quickly to customer needs and ensure the normal operation of the tanks.
Compliance with International Standards: The company's double - walled tanks comply with international standards and regulations, such as API, ASME, and ISO. This makes its products highly competitive in the global market.

Website: https://www.znmetalstructure.com/

2. CIMC Enric Holdings Limited

CIMC Enric is a world - leading provider of energy equipment and solutions. It has a wide range of products, including double - walled tanks. The company has a global presence and serves customers in more than 50 countries.

CIMC Enric's double - walled tanks are used in various industries, such as LNG (liquefied natural gas), CNG (compressed natural gas), and chemical storage. The company has a strong R & D team that is constantly innovating to improve the performance and safety of its tanks.

Features in Double - Walled Tanks:

Thermal Insulation: The double - walled tanks are designed with excellent thermal insulation properties. This is especially important for storing cryogenic substances such as LNG, as it helps to reduce heat transfer and maintain the low temperature of the stored product.
Modular Design: The tanks are designed in a modular way, which allows for easy transportation, installation, and expansion. This feature is particularly useful for large - scale projects where time and cost are critical factors.
High - Pressure Resistance: CIMC Enric's double - walled tanks are capable of withstanding high pressures, making them suitable for storing high - pressure gases and liquids.

Advantages:

Global Supply Chain: The company has a well - established global supply chain, which enables it to source high - quality materials and components at competitive prices. This helps to reduce the cost of production and improve the overall competitiveness of its products.
Strong Brand Reputation: CIMC Enric is a well - known brand in the energy equipment industry. Its products are trusted by customers around the world for their quality, reliability, and safety.
Comprehensive Technical Support: The company provides comprehensive technical support to its customers, including pre - sales consultation, on - site installation guidance, and after - sales maintenance. This ensures that customers can use the tanks safely and efficiently.

3. Sinopec Nanjing Engineering & Construction Inc.

Sinopec Nanjing Engineering & Construction Inc. is a subsidiary of Sinopec, one of the largest energy and chemical companies in China. The company has rich experience in engineering, procurement, and construction (EPC) projects, including the design and installation of double - walled tanks.

Sinopec Nanjing Engineering & Construction Inc. has a large - scale manufacturing base and a team of experienced engineers and technicians. The company's double - walled tanks are widely used in Sinopec's own projects as well as in external projects.

Features in Double - Walled Tanks:

Integrated Design and Construction: The company offers integrated design and construction services for double - walled tanks. This means that from the initial design stage to the final installation, the company can provide a one - stop solution, ensuring the overall quality and efficiency of the project.
High - Quality Welding Technology: The company uses advanced welding technology to ensure the integrity and strength of the double - walled tanks. The welded joints are carefully inspected to meet the strict quality standards.
Safety - First Design Concept: Sinopec Nanjing Engineering & Construction Inc. adheres to the safety - first design concept. The double - walled tanks are designed with multiple safety features, such as emergency relief valves and fire - prevention systems.

Advantages:

Rich Project Experience: The company has participated in numerous large - scale energy and chemical projects, which has accumulated a wealth of project experience. This experience allows the company to handle complex projects and ensure the smooth progress of the double - walled tank installation.
Strong Technical Backing: As a subsidiary of Sinopec, the company has access to the latest technologies and research results in the energy and chemical field. This enables it to continuously improve the design and performance of its double - walled tanks.
Good Relationship with Suppliers: The company has established good relationships with a large number of suppliers, which ensures the stable supply of high - quality materials and components for the double - walled tank projects.

4. Wuxi Huadong Heavy Industry Co., Ltd.

Wuxi Huadong Heavy Industry Co., Ltd. is a leading manufacturer of heavy industrial equipment, including double - walled tanks. The company has a modern manufacturing plant and a complete production line.

The company's double - walled tanks are mainly used in the chemical and food industries. It focuses on providing high - quality products with reasonable prices.

Features in Double - Walled Tanks:

Food - Grade Materials: For the food industry, the company uses food - grade materials to manufacture double - walled tanks. These materials are non - toxic and meet the strict hygiene standards of the food industry.
Efficient Heat Transfer Design: The double - walled tanks are designed with an efficient heat transfer structure. This is beneficial for applications that require heating or cooling of the stored substances, such as in the food and chemical industries.
Easy to Clean and Maintain: The tanks are designed to be easy to clean and maintain. The smooth inner surface of the tanks reduces the adhesion of substances, and the access ports are designed for easy inspection and cleaning.

Advantages:

Cost - Effective Solutions: The company offers cost - effective double - walled tank solutions. By optimizing the production process and using cost - effective materials, it can provide high - quality products at a competitive price.
Fast Delivery: Wuxi Huadong Heavy Industry Co., Ltd. has a fast production cycle and can ensure the timely delivery of double - walled tanks. This is crucial for customers who have urgent project requirements.
Good After - Sales Support: The company provides good after - sales support, including spare parts supply and technical consultation. This helps customers to maintain the normal operation of the tanks.

5. Jiangsu Haian Petrochemical Equipment Co., Ltd.

Jiangsu Haian Petrochemical Equipment Co., Ltd. specializes in the production of petrochemical equipment, including double - walled tanks. The company has a long - term focus on the petrochemical industry and has in - depth knowledge of the industry's requirements.

The company's double - walled tanks are widely used in refineries, petrochemical plants, and storage terminals.

Features in Double - Walled Tanks:

Anti - Corrosion Coating: The double - walled tanks are coated with a special anti - corrosion coating. This coating can effectively protect the tanks from corrosion caused by harsh chemical substances and environmental factors, extending the service life of the tanks.
Large - Capacity Design: The company can design and manufacture large - capacity double - walled tanks to meet the storage needs of large - scale petrochemical projects. These large - capacity tanks are designed with a stable structure to ensure safe storage.
Advanced Monitoring System: The tanks are equipped with an advanced monitoring system that can monitor the temperature, pressure, and liquid level of the stored substances in real - time. This helps to ensure the safety of the storage process.

Advantages:

Industry - Specific Expertise: With years of experience in the petrochemical industry, the company has in - depth knowledge of the industry's safety and quality requirements. This allows it to produce double - walled tanks that are highly suitable for the petrochemical industry.
Quality Assurance System: The company has a strict quality assurance system. From raw material inspection to final product testing, every step is strictly controlled to ensure the quality of the double - walled tanks.
Customized Service: Jiangsu Haian Petrochemical Equipment Co., Ltd. offers customized service according to the specific needs of customers. Whether it is the size, capacity, or special requirements of the tank, the company can provide a suitable solution.

6. Hubei Sanjiang Space Wanshan Special Vehicle Co., Ltd.

Hubei Sanjiang Space Wanshan Special Vehicle Co., Ltd. is a well - known manufacturer in the field of special vehicles and equipment. It also has a strong presence in the double - walled tank market.

The company's double - walled tanks are often used in mobile storage and transportation applications. They are designed to be installed on special vehicles for the transportation of various substances.

Features in Double - Walled Tanks:

Portable Design: The double - walled tanks are designed to be portable. They can be easily installed on special vehicles and transported to different locations. This is very useful for applications that require mobile storage and transportation, such as emergency response and field operations.
Vibration and Shock Resistance: The tanks are designed to withstand vibration and shock during transportation. This is achieved through a special structural design and the use of shock - absorbing materials.
Quick - Connect System: The tanks are equipped with a quick - connect system, which allows for fast and easy connection to other equipment. This feature improves the efficiency of the storage and transportation process.

Advantages:

Vehicle - Integration Expertise: The company has rich experience in integrating double - walled tanks with special vehicles. This ensures the compatibility and reliability of the tank - vehicle system.
High - Quality Manufacturing: Hubei Sanjiang Space Wanshan Special Vehicle Co., Ltd. uses high - quality materials and advanced manufacturing processes to produce double - walled tanks. The products have high quality and long service life.
After - Sales Service Network: The company has an extensive after - sales service network, which can provide timely maintenance and repair services for the double - walled tanks.

7. Zhejiang Juxin Energy Equipment Co., Ltd.

Zhejiang Juxin Energy Equipment Co., Ltd. is a professional manufacturer of energy equipment, including double - walled tanks. The company focuses on providing high - quality products for the energy industry.

The company's double - walled tanks are used in the new energy field, such as for the storage of hydrogen and other clean energy sources.

Features in Double - Walled Tanks:

Hydrogen - Compatibility Design: For hydrogen storage, the double - walled tanks are designed with special materials and structures to ensure compatibility with hydrogen. This includes using hydrogen - resistant materials and preventing hydrogen embrittlement.
High - Efficiency Sealing System: The tanks are equipped with a high - efficiency sealing system to prevent the leakage of hydrogen and other gases. This is crucial for ensuring the safety of hydrogen storage.
Intelligent Monitoring and Control: The double - walled tanks are integrated with an intelligent monitoring and control system. This system can monitor the pressure, temperature, and gas concentration in real - time and adjust the storage conditions automatically.

Advantages:

New - Energy Focus: The company has a clear focus on the new - energy field. It is committed to developing and producing double - walled tanks that meet the specific requirements of new - energy storage.
Innovation - Driven: Zhejiang Juxin Energy Equipment Co., Ltd. invests a lot in research and development to introduce new technologies and materials into its double - walled tanks. This helps the company to stay at the forefront of the new - energy equipment market.
Collaboration with Research Institutions: The company collaborates with research institutions to conduct in - depth research on new - energy storage technologies. This allows it to continuously improve the performance and safety of its double - walled tanks.

8. Guangdong Foshan Nanhai Xiqiao Zhengtai Pressure Vessel Co., Ltd.

Guangdong Foshan Nanhai Xiqiao Zhengtai Pressure Vessel Co., Ltd. is a specialized manufacturer of pressure vessels, including double - walled tanks. The company has a long - history of manufacturing pressure vessels and has a high - level of technical expertise.

The company's double - walled tanks are widely used in various industries, such as chemical, pharmaceutical, and food processing.

Features in Double - Walled Tanks:

Precision Manufacturing: The company uses precision manufacturing techniques to produce double - walled tanks. This ensures the accuracy of the tank's dimensions and the quality of the welding joints.
Compliance with Standards: The double - walled tanks comply with national and international standards for pressure vessels. This includes standards such as GB, ASME, and EN.
Custom - Made Solutions: The company offers custom - made double - walled tank solutions according to the specific needs of customers. Whether it is a small - scale laboratory tank or a large - scale industrial tank, the company can provide a suitable design.

Advantages:

Technical Experience: With many years of experience in pressure vessel manufacturing, the company has a deep understanding of the technical requirements of double - walled tanks. This allows it to produce high - quality products.
Quality Control: The company has a strict quality control system. Every double - walled tank undergoes multiple inspections during the production process to ensure its quality and safety.
Good Customer Service: Guangdong Foshan Nanhai Xiqiao Zhengtai Pressure Vessel Co., Ltd. provides good customer service. It can respond quickly to customer inquiries and provide technical support throughout the project.

9. Tianjin Tianda Pressure Vessel Co., Ltd.

Tianjin Tianda Pressure Vessel Co., Ltd. is a well - established manufacturer of pressure vessels and double - walled tanks. The company has a modern production facility and a team of professional engineers.

The company's double - walled tanks are used in a wide range of industries, including oil refining, chemical engineering, and power generation.

Features in Double - Walled Tanks:

High - Strength Design: The double - walled tanks are designed with high - strength materials to withstand high pressures and heavy loads. This makes them suitable for use in harsh industrial environments.
Advanced Manufacturing Technology: The company uses advanced manufacturing technology, such as numerical control machining and automatic welding, to ensure the quality and precision of the double - walled tanks.
Safety - Oriented Design: The tanks are designed with multiple safety features, such as over - pressure protection and emergency shutdown systems. This helps to ensure the safety of the storage and operation process.

Advantages:

Engineering Expertise: Tianjin Tianda Pressure Vessel Co., Ltd. has a strong engineering team that can provide comprehensive engineering solutions for double - walled tank projects. From design to installation, the team can ensure the smooth progress of the project.
Quality Assurance: The company has a complete quality assurance system. It conducts strict inspections on raw materials, production processes, and finished products to ensure the high quality of the double - walled tanks.
After - Sales Service: The company provides after - sales service, including maintenance, repair, and technical support. This helps customers to keep their double - walled tanks in good working condition.

10. Shanghai Keling Pressure Vessel Co., Ltd.

Shanghai Keling Pressure Vessel Co., Ltd. is a professional manufacturer of pressure vessels and double - walled tanks. The company is located in Shanghai, a major economic and industrial center in China, which gives it access to advanced technologies and a large market.

The company's double - walled tanks are used in industries such as pharmaceuticals, food, and cosmetics.

Features in Double - Walled Tanks:

Hygienic Design: For the pharmaceutical, food, and cosmetics industries, the double - walled tanks are designed with a hygienic structure. The inner surface of the tanks is smooth and easy to clean, which meets the strict hygiene requirements of these industries.
Temperature Control: The tanks are equipped with a temperature control system, which can accurately control the temperature of the stored substances. This is important for products that are sensitive to temperature, such as pharmaceuticals and cosmetics.
Stable Performance: The double - walled tanks have stable performance, which ensures the quality and consistency of the stored products.

Advantages:

Location Advantage: Being located in Shanghai, the company can easily access advanced technologies and talents. It can also quickly respond to market changes and customer needs.
Industry - Specific Knowledge: The company has in - depth knowledge of the pharmaceutical, food, and cosmetics industries. This allows it to design and manufacture double - walled tanks that meet the specific requirements of these industries.
Quality and Reputation: Shanghai Keling Pressure Vessel Co., Ltd. has a good reputation for producing high - quality double - walled tanks. Its products are trusted by customers in the relevant industries.

Conclusion

The top 10 double - walled tank suppliers in China in 2026 offer a wide range of products and services to meet the diverse needs of different industries. Each supplier has its own unique features and advantages, whether it is in terms of technology, quality, cost - effectiveness, or after - sales service. Zhongneng Huajian (Shandong) Metal Structure Co., Ltd. stands out with its strong R & D capability and compliance with international standards. CIMC Enric Holdings Limited has a global presence and advanced thermal insulation technology. Sinopec Nanjing Engineering & Construction Inc. offers integrated design and construction services.

These suppliers play a crucial role in the development of various industries in China and around the world. They contribute to the safe storage and transportation of various substances, and their continuous innovation and improvement will further promote the development of the double - walled tank industry. As the demand for double - walled tanks continues to grow in the future, these suppliers are expected to face new challenges and opportunities, and they will need to continuously adapt and innovate to meet the changing market needs.