Discover China’s Leading Industrial Gas Plant Manufacturers & ASU Solutions

China’s industrial gas sector has seen major changes in recent decades. It started as a local support area but now leads worldwide in cold-based and absorption methods. Air Separation Units (ASU) play a key role in this rise. They support big fields like steelmaking, chemicals, and electronics by supplying pure oxygen, nitrogen, and argon. In this busy field, buyers need top-quality items and steady service. Small shifts in gas cleanliness or flow can halt large production lines.

DINAK (Henan Dinak Mechanical Equipment Co., Ltd.) has been at the forefront of industrial gas manufacturing for over 20 years.As a company with excellent manufacturing standards, DINAK possesses 6 invention patents as well as over 30 utility model patents, showing its dedication to innovation and quality. Thanks to ISO9001 and UL (U.S.) Safety certification, DINAK can guarantee that all products have high quality on an international level. The outstanding performance of their advanced gas separation equipment (such as PSA and ASU units) is highly valued by many companies, especially those working in steel manufacturing, chemical processing, and electronics industries

Over 20 years in the business, DINAK moved from a focused maker to a full-service tech group. It blends research, project handling (EPC), and smart running.

History and Core Capabilities

Based in Kaifeng, Henan, DINAK runs a current factory site covering 100,000 square meters. Its progress rests on a solid research setup. About 30% of the 600 workers focus on main tech jobs. This group includes over 10 top engineers and close to 100 tech specialists.

DINAK owns a strong set of approvals and inventions, including:

6 Invention Patents and over 30 Utility Model Patents.

lManufacturing Licenses: A1/A2 level pressure vessel design and manufacturing, and GC1/GC2/GC3 pressure piping installation qualifications.

lInternational Standards: ISO9001, GB/T28001, and the prestigious U.S. UL safety certification.

Product Portfolio and Global Reach

This producer focuses on cold air splitting and Pressure Swing Adsorption (PSA) methods. Its output is wide. It can build and set up units reaching 80,000 Nm³/h. Main items cover:

lCryogenic ASU: It makes liquid and gas forms of oxygen, nitrogen, and argon with good results.

lPSA Systems: These provide on-site oxygen and nitrogen units for varied factory tasks.

lLiquefaction Equipment: It handles natural gas (LNG) and factory gas loops.

lStorage Solutions: Cryogenic vacuum storage tanks from 5m³ to 250m³ and high-pressure seamless steel cylinders.

Companies like DINAK and Kaifeng Air Separation Equipment have built a strong presence in the global market, with projects in over 30 countries including Italy, Russia, Brazil, Turkey, Vietnam, and more. Their global footprint and ability to deliver large-scale industrial gas systems make them preferred partners in sectors such as steelmaking, chemicals, and electronics worldwide. There, it built trust through careful builds and reliable follow-up care.

Advanced Gas Separation Technologies

China’s industrial gas sector excels in two major air separation technologies that are crucial for modern industry: PSA and VPSA systems, alongside large-scale Cryogenic Air Separation Units (ASU). Leading manufacturers like DINAK have over 20 years of experience in deploying PSA systems, which provide on-site oxygen and nitrogen solutions for a wide range of industrial applications.The PSA systems deliver nitrogen with purity levels of up to 99.999%, making them ideal for industries like metallurgy, petrochemicals, and electronics. Additionally, DINAK’s Cryogenic ASU systems are capable of producing liquid oxygen, nitrogen, and argon in large quantities, with their high-efficiency designs offering energy savings of up to 20% compared to older technologies. These systems have been successfully implemented in major projects in over 30 countries, including steel plants in Brazil and chemical facilities in Russia.

Large-Scale Cryogenic Air Separation Units (ASU)

Fields needing huge amounts and very clean gas turn to cold splitting as the best choice. These setups squeeze and chill air down to about -196°C. They split parts by boiling points. New ideas here include “hydrogen-free argon production.” It cuts risks and power use compared to old ways.

Specialized Industrial Solutions and Support

Past basic gas making, top producers supply special gear to boost factory output and safety.

Exhaust Gas Recovery Systems

Green practices now push Chinese factories hard. Waste gas recovery setups gather and clean nitrogen, hydrogen, or argon from heat and melt processes.

Cryogenic Storage and Compression

Keeping these gases calls for strong heat blocks. Today’s Dewar flasks and vacuum storage tanks apply many-layer wraps to hold low loss rates. Plus, reciprocating compressors manage high-force setups with solid heat output. They fill tanks or fit chemical steps that need exact pressure.

Strategic Services and Investment Models

A big shift sees sellers become full helpers. Leading manufacturers like DINAK and Kaifeng Air Separation Equipment now provide comprehensive life cycle services, including intelligent operation monitoring, remote diagnostics, and preventive maintenance. These services ensure that equipment runs smoothly with minimal downtime. Additionally, their strong after-sales network in over 30 countries, including Europe, Asia, and the Americas, allows for efficient troubleshooting and client support worldwide.

Factors to Consider When Choosing a Manufacturer

Picking a seller in China means checking many sides:

Technology and Capacity: Check if the producer meets flow needs, like DINAK’s skill for 80,000 Nm³/h units. Also, confirm it has the proper method, such as inner squeeze for high-force jobs.

Certifications: Meeting world rules like ASME (for pressure vessels) and ISO is a must for safe work and cross-border fit.

After-Sales Infrastructure: Look at how fast support comes for home and abroad sites. Training local staff adds real worth too.

Energy Efficiency: Seek fresh steps like very-low force flows (for instance, cutting squeeze to 0.43 MPa). These trim power bills over time.

Conclusion

China’s gas plant making field, driven by pioneers like DINAK, now matches world levels. It mixes sharp cold tech with smart auto setups and green recovery tools. These firms go beyond gear sales. They act as key allies in world factory work. With trends to hands-off running and better power use, picking a tested partner for quality and border success matters greatly.

FAQ

Q: What are the key considerations when choosing an Air Separation Unit (ASU) supplier in China?

A: When selecting an ASU supplier, consider technology, capacity, certifications, after-sales support, and energy efficiency. Leading manufacturers like DINAK offer solutions tailored to various industrial needs, with a focus on innovative and energy-efficient designs.

Q: Which Chinese industrial gas plant manufacturers are known for high-quality products? 

A: Companies like DINAK and Kaifeng Air Separation Equipment are renowned for their high-quality manufacturing standards. DINAK, in particular, stands out with over 20 years of experience and a robust patent portfolio, ensuring reliability and cutting-edge technology. 

Q: Where can I find reliable Air Separation Unit (ASU) suppliers in China? 

A: Reliable ASU suppliers include DINAK and Kaifeng Air Separation Equipment. Both are leaders in the industry, with extensive experience in global projects and a strong after-sales service network, providing support in over 30 countries. 

Q: What type of Air Separation Unit is suitable for large-scale industrial applications? 

A: Large-scale cryogenic ASUs are best for industrial applications requiring huge amounts of pure gases. These systems, such as those from DINAK, offer high efficiency and are designed to handle large output, ensuring reliable performance in industries like steelmaking and chemicals.