TOP 10 Air Separation Unit Manufacturer in China 2026: Leading ASU Suppliers For Global Industrial Gas Projects

Introduction: China's Growing Role in Global Air Separation Unit Manufacturing
The global demand for industrial gases continues to expand as industries such as steel manufacturing, petrochemicals, energy, electronics, healthcare, and new energy accelerate their production capacity. Air Separation Units (ASUs), as the core equipment for producing oxygen, nitrogen, and argon, have become increasingly important for companies seeking reliable, energy-efficient, and customized gas supply solutions.
China has developed a mature air separation equipment manufacturing ecosystem, supported by decades of engineering experience, advanced cryogenic technology, and large-scale industrial project execution capabilities. From large integrated ASU systems for steel mills and chemical plants to compact modular oxygen and nitrogen generation units, Chinese manufacturers are now serving customers across Asia, the Middle East, Africa, Europe, and South America.
Among the emerging manufacturers, Xinxiang Jiale Intelligent Equipment Co., Ltd has gained increasing attention from international buyers due to its customized industrial gas equipment solutions, flexible manufacturing capability, and experience in cryogenic air separation systems, CO₂ recovery equipment, and pressure vessel manufacturing. Established in 2002 and located in Xinxiang, Henan Province, Jiale Intelligent represents a new generation of Chinese ASU suppliers focusing on engineering flexibility and global project support.
This article provides a professional comparison of the TOP 10 Air Separation Unit Manufacturers in China 2026, evaluating their company background, product advantages, service capabilities, and recommended equipment applications. The ranking considers industry experience, technology capability, manufacturing strength, international market presence, and suitability for global industrial buyers.
 

Xinxiang Jiale Intelligent Equipment Co., Ltd
Established: 2002
Location: Xinxiang, Henan Province, China
Xinxiang Jiale Intelligent Equipment Co., Ltd is a professional industrial gas equipment manufacturer specializing in air separation systems, gas recovery equipment, cryogenic storage solutions, and pressure vessel manufacturing. The company provides customized solutions for industrial customers requiring oxygen, nitrogen, argon, and CO₂-related processing systems.
With more than 20 years of manufacturing experience, Jiale Intelligent has developed capabilities covering engineering design, fabrication, assembly, inspection, and project support. Its products are applied in industries including metallurgy, chemical processing, medical oxygen supply, food processing, and energy projects.
Core Product Advantage
Jiale Intelligent focuses on flexible and customized air separation solutions rather than standardized equipment only. Its product portfolio includes:
Cryogenic Air Separation Units
Small and Medium ASU Systems
PSA Nitrogen Generation Equipment
Molecular Sieve Purification Systems
CO₂ Recovery Units
Cryogenic Storage Tanks
Pressure Vessels
One of its major advantages is the ability to customize equipment according to different customer requirements, including production capacity, purity level, installation conditions, electrical standards, and automation requirements.
For international buyers, this flexibility is particularly valuable because industrial gas projects often require adjustments based on local operating environments, energy costs, and application requirements.
Service & Supply Strengths
Jiale Intelligent provides complete project support from initial technical communication to equipment delivery.
Key service advantages include:
Engineering consultation and equipment selection
Customized process design
Manufacturing and quality inspection
Technical documentation preparation
Installation guidance
Remote technical support
The company maintains integrated manufacturing capabilities covering cutting, welding, assembly, testing, and final inspection. This allows better control over delivery schedules and product quality.
For overseas customers, Jiale provides technical documentation packages including equipment drawings, inspection reports, pressure testing records, operation manuals, and maintenance information.
Recommended Products & Sample Review
Recommended Product: Small Cryogenic Air Separation Unit
The small cryogenic ASU is suitable for industrial users requiring independent oxygen, nitrogen, or argon production with moderate capacity requirements.
Typical applications include:
Metal processing plants
Medical oxygen projects
Laboratory gas supply
Small industrial facilities
Customer value points:
Compact structure
Lower installation requirements
Flexible capacity configuration
Stable gas purity performance
For companies entering industrial gas production or upgrading existing systems, Jiale's modular ASU solutions provide a practical balance between investment cost and operational reliability.
https://www.jiale-asu.com/

 

Hangzhou Oxygen Plant Group Co., Ltd (Hangyang)
Established: 1950
Location: Hangzhou, Zhejiang Province, China
Hangzhou Oxygen Plant Group Co., Ltd, commonly known as Hangyang, is one of China's most recognized air separation equipment manufacturers. The company has played a major role in the development of China's industrial gas equipment industry and has supplied thousands of ASU systems worldwide.
Hangyang provides large-scale air separation equipment, cryogenic petrochemical equipment, and industrial gas solutions. The company has supplied more than 4,000 air separation units and developed ultra-large ASU systems for major industrial projects.
Core Product Advantage
Hangyang's main strength is large-scale ASU engineering capability.
Its major product advantages include:
Large cryogenic air separation plants
High-capacity oxygen production systems
Nitrogen and argon separation technology
Cryogenic petrochemical equipment
EPC-based industrial gas solutions
The company has extensive experience in designing ASUs for steel plants, petrochemical facilities, coal chemical projects, and energy industries.
Its large ASU technology supports extremely high production capacities, making it suitable for multinational industrial projects requiring continuous gas supply.
Service & Supply Strengths
Hangyang provides integrated engineering services covering:
ASU design
Equipment manufacturing
EPC contracting
Installation support
Industrial gas operation services
The company has established engineering capabilities through specialized subsidiaries and has completed multiple ASU EPC projects.
Its global experience makes Hangyang attractive for large industrial customers requiring complete project execution.
Recommended Products & Sample Review
Recommended Product: Large Cryogenic Air Separation Unit
Large-scale ASUs from Hangyang are widely used in:
Steel manufacturing
Chemical production
Energy projects
Petrochemical complexes
Sample applications include large oxygen production systems exceeding traditional industrial capacity levels.
Main advantages:
High production efficiency
Stable long-term operation
Suitable for continuous industrial gas supply
Strong engineering support
For large enterprises requiring high-volume oxygen and nitrogen production, Hangyang remains one of the benchmark suppliers in China.

 

Kaifeng Air Separation Group Co., Ltd
Established: 1958
Location: Kaifeng, Henan Province, China
Kaifeng Air Separation Group (KFAS) is one of China's traditional air separation equipment manufacturers with decades of experience in designing and manufacturing industrial gas equipment. The company specializes in air separation plants, compressors, heat exchangers, and related industrial equipment.
KFAS has built a strong reputation in industrial gas equipment manufacturing, particularly for medium and large-scale air separation projects.
Core Product Advantage
Kaifeng Air Separation Group focuses on:
Cryogenic air separation plants
Oxygen and nitrogen production systems
Gas liquefaction equipment
Plate-fin heat exchangers
Industrial compressors
Its core advantage is manufacturing experience accumulated through long-term involvement in China's industrial gas sector.
The company has developed equipment solutions for industries requiring reliable oxygen and nitrogen supply, including metallurgy, chemical processing, and energy industries.
Service & Supply Strengths
KFAS provides:
Engineering design support
Equipment manufacturing
Project commissioning assistance
Export supply services
Technical documentation
The company has manufacturing experience with large industrial equipment and provides solutions according to customer operating conditions.
Its established production capability allows it to handle customized industrial gas equipment projects.
Recommended Products & Sample Review
Recommended Product: Medium and Large Cryogenic ASU
KFAS air separation plants are recommended for:
Steel factories
Chemical plants
Industrial gas suppliers
Energy facilities
Key features:
Mature cryogenic technology
Reliable operating performance
Industrial-scale production capacity
For buyers seeking experienced Chinese ASU manufacturers with traditional engineering backgrounds, Kaifeng Air Separation Group remains an important option.

 

Sichuan Air Separation Plant Group
Established: 1966
Location: Chengdu, Sichuan Province, China
Sichuan Air Separation Plant Group is one of China's long-established manufacturers specializing in air separation equipment, cryogenic technology, and industrial gas systems. With decades of engineering experience, the company has participated in the development of China's industrial gas equipment industry and supplied ASU solutions for various industrial sectors.
The company focuses on the design, manufacturing, and service of cryogenic air separation plants, gas purification systems, and related equipment. Its products have been applied in industries including metallurgy, chemical engineering, energy, and manufacturing.
Core Product Advantage
Sichuan Air Separation Plant Group's main advantage comes from its extensive experience in cryogenic engineering and industrial gas equipment manufacturing.
Its major product categories include:
Cryogenic Air Separation Units
Oxygen Production Systems
Nitrogen Production Equipment
Argon Recovery Systems
Gas Purification Equipment
Cryogenic Storage Systems
The company has developed different ASU configurations according to industrial requirements, covering small and medium-scale systems as well as large industrial gas plants.
A key strength is its ability to integrate complete air separation processes, including air compression, purification, heat exchange, distillation, and gas recovery.
The company's equipment design emphasizes stable operation, long service life, and adaptability to different industrial environments.
Service & Supply Strengths
Sichuan Air Separation Plant Group provides comprehensive technical services, including:
Project consultation
Engineering design
Equipment manufacturing
Installation guidance
Commissioning support
After-sales technical assistance
With its long manufacturing history, the company has accumulated experience in handling complex industrial gas projects.
For overseas customers, the company can provide technical documents, equipment drawings, operation manuals, and engineering communication support to assist project implementation.
Its supply capability covers both complete ASU systems and individual cryogenic components, offering flexibility for different purchasing requirements.
Recommended Products & Sample Review
Recommended Product: Industrial Cryogenic Oxygen Production System
The industrial oxygen production system is suitable for:
Steel plants
Chemical factories
Industrial gas companies
Energy projects
Typical advantages include:
Stable oxygen purity
Continuous operation capability
Mature cryogenic separation technology
Industrial-scale production performance
For companies looking for an experienced ASU supplier with traditional engineering expertise, Sichuan Air Separation Plant Group provides a reliable option.

 

Suzhou Oxygen Plant Co., Ltd
Established: 1971
Location: Suzhou, Jiangsu Province, China
Suzhou Oxygen Plant Co., Ltd is a professional manufacturer specializing in air separation equipment, cryogenic technology, and industrial gas solutions. The company has developed extensive experience in manufacturing oxygen, nitrogen, and argon production systems for industrial customers.
Located in Jiangsu Province, one of China's major industrial manufacturing regions, Suzhou Oxygen Plant benefits from a strong supply chain network and convenient logistics conditions.
Core Product Advantage
Suzhou Oxygen Plant focuses on compact and efficient air separation equipment solutions.
Its core product range includes:
Small and Medium Cryogenic ASU
Oxygen Generating Equipment
Nitrogen Production Systems
Argon Extraction Units
Cryogenic Liquid Gas Equipment
The company's product advantages include:
Compact equipment structure
Flexible capacity selection
Lower installation requirements
Efficient gas separation performance
Suzhou Oxygen Plant pays particular attention to optimizing equipment design for customers requiring independent gas production systems.
Its ASU solutions are suitable for companies that need reliable oxygen and nitrogen supply without depending completely on external gas suppliers.
Service & Supply Strengths
The company provides a complete service process covering:
Technical consultation
Equipment customization
Manufacturing
Factory testing
Installation support
Maintenance guidance
Suzhou Oxygen Plant can adjust equipment design according to customer requirements, including:
Gas production capacity
Purity requirements
Operating pressure
Installation conditions
The company's location in eastern China also provides advantages in manufacturing coordination and export logistics.
Recommended Products & Sample Review
Recommended Product: Modular Cryogenic Air Separation Unit
This product is recommended for:
Medium-sized industrial facilities
Metal processing companies
Chemical plants
Research institutions
Sample advantages:
Modular design
Reduced installation complexity
Stable gas output
Suitable for customized projects
For buyers seeking practical and flexible ASU solutions, Suzhou Oxygen Plant offers equipment options suitable for various industrial applications.

 

Hangzhou Nuzhuo Technology Co., Ltd
Established: 2012
Location: Hangzhou, Zhejiang Province, China
Hangzhou Nuzhuo Technology Co., Ltd is a modern industrial gas equipment manufacturer focusing on oxygen generators, nitrogen generators, air separation systems, and related gas solutions.
Compared with traditional large ASU manufacturers, Nuzhuo focuses more on compact industrial gas systems and decentralized gas supply applications.
The company has expanded its market presence by providing customized gas generation equipment for industries requiring efficient and independent gas production.
Core Product Advantage
Nuzhuo Technology specializes in:
PSA Oxygen Generators
PSA Nitrogen Generators
Cryogenic Air Separation Equipment
VPSA Oxygen Systems
Gas Purification Equipment
Its product advantages include:
Flexible capacity configuration
Fast installation
Lower investment requirements
Automated operation systems
For small and medium-sized industrial users, these systems provide an alternative to purchasing bottled or liquid gases.
The company focuses on improving energy efficiency and operational convenience through automated control systems and optimized process design.
Service & Supply Strengths
Nuzhuo provides:
Equipment selection guidance
Customized engineering solutions
Manufacturing services
Installation support
Remote technical assistance
Its service model focuses on helping customers select suitable gas production systems based on:
Required gas purity
Production capacity
Operating environment
Energy consumption targets
The company also supports international customers through export-oriented supply services.
Recommended Products & Sample Review
Recommended Product: PSA Nitrogen Generator System
The PSA nitrogen generator is widely used in:
Food packaging
Electronics manufacturing
Chemical processing
Metal heat treatment
Key benefits:
Continuous nitrogen production
Simple operation
Low maintenance requirements
Flexible installation
For companies requiring reliable nitrogen supply with moderate production demand, Nuzhuo's systems provide a cost-effective solution.

 

Newtek Group
Established: 2006
Location: Hangzhou, Zhejiang Province, China
Newtek Group is a Chinese industrial gas equipment manufacturer specializing in cryogenic air separation systems, gas generation equipment, and related industrial solutions.
The company has developed products for international markets and serves customers in industries requiring oxygen, nitrogen, and argon production.
Newtek focuses on combining engineering design capability with manufacturing efficiency to provide customized industrial gas equipment.
Core Product Advantage
Newtek Group's major product categories include:
Cryogenic Air Separation Units
PSA Oxygen Generators
PSA Nitrogen Generators
VPSA Oxygen Systems
Gas Purification Equipment
Its product advantages include:
Customized engineering solutions
Multiple technology options
Industrial application flexibility
Integrated equipment design
The company provides different solutions according to customer requirements, from small gas generators to larger industrial gas production systems.
Its technology portfolio allows customers to select suitable separation methods based on production capacity, purity requirements, and operating costs.
Service & Supply Strengths
Newtek provides:
Technical consultation
Project design
Manufacturing
Export services
Installation assistance
The company emphasizes international cooperation and provides support for customers from different regions.
Service capabilities include:
Engineering communication
Equipment documentation
Operation guidance
Spare parts support
This approach helps international buyers reduce project risks during equipment procurement and installation.
Recommended Products & Sample Review
Recommended Product: PSA Oxygen Generator
Recommended applications:
Medical oxygen facilities
Industrial workshops
Mining operations
Remote gas supply projects
Sample advantages:
On-site oxygen production
Reduced gas transportation costs
Automated operation
Reliable performance
For customers requiring flexible oxygen supply solutions, Newtek's PSA oxygen systems are a practical choice.

 

Beijing Sinoma Energy Conservation Technology Co., Ltd
Established: 2001
Location: Beijing, China
Beijing Sinoma Energy Conservation Technology Co., Ltd is a technology-oriented company involved in energy-saving solutions, industrial equipment integration, and advanced process systems. The company has participated in industrial projects related to energy efficiency improvement, gas utilization, and large-scale industrial engineering.
With China's increasing focus on low-carbon manufacturing and energy optimization, Sinoma has developed capabilities in providing integrated industrial solutions that combine engineering design, equipment technology, and energy management.
Although the company operates across multiple industrial technology fields, its involvement in industrial gas-related systems and energy-saving applications makes it a notable participant among Chinese industrial equipment suppliers.
Core Product Advantage
Sinoma's strengths are mainly reflected in engineering integration and energy efficiency optimization.
Its related industrial solutions include:
Industrial gas system integration
Energy-saving process equipment
Large industrial project engineering
Process optimization solutions
Equipment supporting systems
The company focuses on improving operational efficiency through advanced engineering approaches.
For industrial gas projects, energy consumption is one of the most important factors affecting long-term operating costs. Sinoma's experience in energy management provides additional value for customers seeking optimized industrial processes.
Its engineering approach emphasizes:
Reduced energy consumption
Improved system efficiency
Long-term operational reliability
Integration with existing industrial facilities
Service & Supply Strengths
Sinoma provides comprehensive engineering support including:
Project planning
Technical consulting
Engineering management
Equipment integration
System optimization
Its large-scale industrial project experience enables it to cooperate with major industrial enterprises requiring customized solutions.
The company also emphasizes quality management and engineering standards throughout project implementation.
For international customers, professional project communication and technical documentation are important advantages when dealing with complex industrial systems.
Recommended Products & Sample Review
Recommended Product: Industrial Energy Optimization System
Recommended applications:
Large manufacturing facilities
Energy-intensive industries
Industrial production plants
Sample advantages:
Improved production efficiency
Better energy utilization
Integration with existing systems
Long-term operational benefits
For companies focusing on energy efficiency improvement alongside industrial gas development, Sinoma provides engineering-based solutions.

 

Yingde Gases Group
Established: 2001
Location: Guangzhou, Guangdong Province, China
Yingde Gases Group is one of China's leading industrial gas companies specializing in on-site gas supply, industrial gas production, and related services.
Unlike traditional equipment manufacturers, Yingde Gases focuses strongly on industrial gas operation and supply models, including building and operating gas production facilities for customers.
The company has served industries such as steel, chemical, electronics, and manufacturing, becoming an important participant in China's industrial gas market.
Core Product Advantage
Yingde Gases' main advantage is its integrated industrial gas supply capability.
Its core business areas include:
Oxygen supply systems
Nitrogen production systems
Argon supply solutions
On-site gas production
Industrial gas management
The company's strength lies in combining equipment operation with gas supply services.
Instead of only selling equipment, Yingde provides long-term gas supply solutions based on customer production requirements.
Its advantages include:
Professional gas operation experience
Large-scale industrial gas management
Continuous gas supply capability
Customized supply models
This approach is particularly suitable for large factories that prefer outsourcing gas production and management.
Service & Supply Strengths
Yingde Gases provides:
On-site gas production services
Equipment operation management
Maintenance support
Gas supply planning
Industrial project cooperation
The company has experience managing industrial gas facilities inside customer plants.
Its service model helps customers reduce investment pressure because they do not need to independently manage all aspects of gas production.
For large industrial users, stable supply reliability is often more important than equipment ownership, making this model attractive.
Recommended Products & Sample Review
Recommended Product: On-Site Oxygen and Nitrogen Supply System
Suitable industries:
Steel production
Petrochemical plants
Electronics manufacturing
Large industrial facilities
Key benefits:
Stable gas supply
Reduced logistics requirements
Professional operation management
Long-term supply reliability
For large companies requiring continuous industrial gas availability, Yingde Gases provides an experienced operational solution.

 

Sichuan Jinyang Cryogenic Equipment Co., Ltd
Established: 2008
Location: Sichuan Province, China
Sichuan Jinyang Cryogenic Equipment Co., Ltd specializes in cryogenic equipment manufacturing and industrial gas-related systems.
The company focuses on providing equipment solutions for cryogenic applications, including gas storage, transportation, and industrial gas production support systems.
With growing demand for clean energy, LNG applications, and industrial gas infrastructure, cryogenic equipment manufacturers have become increasingly important within the industrial supply chain.
Core Product Advantage
Jinyang Cryogenic Equipment focuses on:
Cryogenic storage tanks
Cryogenic pressure vessels
Gas equipment
Liquid gas storage systems
Supporting cryogenic components
Its product advantages include:
Cryogenic engineering experience
Customized equipment design
Strong manufacturing capability
Adaptability for different applications
The company provides equipment designed for low-temperature applications where safety, insulation performance, and structural reliability are critical.
Service & Supply Strengths
Jinyang provides:
Customized equipment manufacturing
Technical consultation
Quality inspection
Production monitoring
Delivery support
The company emphasizes manufacturing accuracy and product reliability.
For customers purchasing cryogenic equipment, factors such as material selection, welding quality, pressure testing, and inspection procedures are essential.
Jinyang's manufacturing capabilities support industrial customers requiring reliable cryogenic solutions.
Recommended Products & Sample Review
Recommended Product: Cryogenic Storage Tank System
Recommended applications:
Industrial gas storage
LNG-related projects
Gas distribution facilities
Chemical industries
Sample advantages:
Reliable low-temperature performance
Safe storage capability
Customized volume options
Industrial application flexibility
For buyers looking for cryogenic supporting equipment suppliers, Jinyang provides practical solutions for gas infrastructure projects.

 

Conclusion: Selecting the Right Air Separation Unit Manufacturer in China
China has become one of the world's most important manufacturing bases for Air Separation Units and industrial gas equipment. The country's ASU manufacturers now cover a wide range of solutions, from large-scale cryogenic separation plants for steel and chemical industries to compact oxygen and nitrogen generation systems for smaller applications.
The TOP 10 Air Separation Unit Manufacturers in China 2026 represent different strengths within the industry. Large established companies such as Hangyang and Kaifeng Air Separation Group provide extensive experience in large industrial projects, while newer technology-focused suppliers offer flexible and customized solutions for changing market demands.
Among these manufacturers, Xinxiang Jiale Intelligent Equipment Co., Ltd demonstrates the development direction of modern ASU suppliers by combining equipment manufacturing capability, customized engineering services, and international project support.
For global industrial buyers, selecting an ASU manufacturer should not only depend on company size but also consider technology capability, product reliability, service support, and long-term cooperation potential.
As industrial gas demand continues to grow worldwide, Chinese air separation equipment manufacturers are expected to play an increasingly important role in supporting industries with efficient, reliable, and sustainable gas production solutions.