Liquid Oxygen Generator Research:with a compound annual growth rate (CAGR) of 7.8% in the next few years

QY Research Inc. (Global Market Report Research Publisher) announces the release of 2025 latest report "Liquid Oxygen Generator- Global Market Share and Ranking, Overall Sales and Demand Forecast 2026-2032". Based on current situation and impact historical analysis (2020-2024) and forecast calculations (2026-2032), this report provides a comprehensive analysis of the global Liquid Oxygen Generator market, including market size, share, demand, industry development status, and forecasts for the next few years.

The global market for Liquid Oxygen Generator was estimated to be worth US$ 1148 million in 2024 and is forecast to a readjusted size of US$ 1941 million by 2031 with a CAGR of 7.8% during the forecast period 2025-2031.

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Liquid Oxygen Generator Market Summary

According to the latest report "Global Liquid Oxygen Generator Market Report 2025-2031" by the QYResearch research team, the global Liquid Oxygen Generator market size is expected to reach US$1.941 billion in 2031, with a compound annual growth rate (CAGR) of 7.8% in the next few years.

A liquid oxygen generator is an industrial oxygen production device used to liquefy and stably store gaseous oxygen. It primarily achieves the continuous production of high-purity liquid oxygen (generally ≥99.7%) through air separation, cryogenic distillation, and liquefaction technologies. The equipment typically consists of an air compressor, precooling system, distillation column, expander, heat exchanger, and storage tank. During operation, air is first compressed, cooled, and nitrogen and oxygen components are separated, followed by cryogenic liquefaction to obtain liquid oxygen. Liquid oxygen generators are widely used in steel smelting, chemical oxidation reactions, medical oxygen supply, aerospace propellants, and new energy fields. Compared to traditional bottled oxygen, it features low energy consumption, high oxygen production efficiency, good output stability, and suitability for large-scale continuous production. Equipment specifications range from small mobile units to large industrial-grade multi-ton systems, featuring high levels of automation and safety protection designs, making it a key piece of equipment in modern industrial gas supply systems.

The liquid oxygen generator market is in a steady growth phase, driven primarily by expanding demand from multiple sectors, including aerospace, medical, and industrial oxygen production. Firstly, from an aerospace application perspective, with the continuous increase in the number of global commercial space launches, the demand for liquid oxygen as a rocket propellant oxidizer has increased significantly. Space agencies and private aerospace companies worldwide are expanding their procurement of liquid oxygen equipment, driving rapid growth in the high-performance liquid oxygen generator market. Secondly, the demand for oxygen production in the medical and industrial sectors is also continuously rising, especially in developing countries. The widespread adoption of centralized oxygen supply systems in hospitals and industrial oxidation reaction processes has promoted the application of self-sufficient liquid oxygen equipment.

From a technological trend perspective, liquid oxygen generators are evolving towards intelligence, modularity, and high energy efficiency. The new generation of equipment employs a hybrid technology combining cryogenic separation and pressure swing adsorption, achieving a 15%-20% reduction in energy consumption. Remote monitoring and maintenance are achieved through an IoT control system, significantly improving operational efficiency and safety. Furthermore, miniaturized and on-site oxygen production solutions are gaining popularity among SMEs and regional medical institutions, becoming a new growth point in the market.

In terms of industry structure, global competition is becoming more concentrated, but local companies in China, India, and other regions are accelerating their breakthroughs by leveraging cost and policy advantages. In the future, the liquid oxygen generator market is expected to deeply integrate with the low-carbon energy transition, particularly in hydrogen production and storage. Liquid oxygen generators may form system integration with liquid hydrogen equipment, providing support for the green energy industry chain.

The development of liquid oxygen generators is driven by multiple factors.

First, downstream demand growth is the core driver. The demand for high-purity liquid oxygen continues to expand in the steel, chemical, medical, and aerospace sectors, especially in new energy and aerospace propellant manufacturing, where liquid oxygen usage has increased significantly. Second, advancements in cryogenic air separation and energy-saving control technologies have significantly improved equipment efficiency and reliability, reducing unit energy consumption by 10%-20%, prompting companies to accelerate equipment upgrades. Simultaneously, global low-carbon and clean energy policies are injecting new growth momentum into the liquid oxygen industry. As an important raw material for hydrogen combustion and carbon capture auxiliary gases, liquid oxygen has a broader market prospect. Furthermore, the expansion of the liquid oxygen supply system in the medical field (especially in hospital construction and emergency medical oxygen storage systems in developing countries) has also stimulated demand for small and medium-sized liquid oxygen generators. Finally, the trend of concentrated investment in industrial gas companies is prompting liquid oxygen equipment manufacturers to accelerate the layout of large-scale production. Overall, policy guidance, industrial structure upgrading, technological innovation, and energy transition are the main drivers of the continued growth of the liquid oxygen generator industry.

Figure00001. Global Liquid Oxygen Generator Top 5 Players Ranking and Market Share (Ranking is based on the revenue of 2024, continually updated)

Liquid Oxygen Generator

Above data is based on report from QYResearch: Global Liquid Oxygen Generator Market Report 2025-2031 (published in 2025). If you need the latest data, plaese contact QYResearch.

This report profiles key players of Liquid Oxygen Generator such as RIX Industries、PCI Gases、Air Products、Jiangsu Minnuo、Hangzhou Ourui、Hangzhou Niuzhuo、Lifengas、Xinxiang Chengde、Stirling Cryogenics、Oxywise

In 2023, the global top five Liquid Oxygen Generator players account for 73% of market share in terms of revenue.

The liquid oxygen generator industry chain is a complete system encompassing upstream raw materials and core components, midstream equipment manufacturing and integration, and downstream diversified application areas. This industry chain has high technological barriers, especially in gas separation processes, cryogenic engineering, and automated control. Its development level directly affects the safety and efficiency of oxygen supply in key fields such as medical, industrial, and military sectors.

The upstream segment mainly includes the supply of raw materials, core components, and basic energy. Raw materials involve metallic materials (such as stainless steel, aluminum alloys, and copper, used to manufacture containers, pipes, and heat exchangers) and chemical materials (such as molecular sieve adsorbents, sealing materials, and catalysts). Molecular sieves are the core of pressure swing adsorption technology, and their performance directly determines oxygen purity and equipment energy consumption. Core components include air compressors, vacuum pumps, refrigeration units, valves, sensors, and control units. The precision and reliability of these components are crucial to the stable operation of the entire system. The technological level of air compressors and valves largely restricts the energy efficiency and lifespan of liquid oxygen generators. Furthermore, a stable power supply is also fundamental to equipment operation, especially for large-scale industrial installations, where energy costs constitute a major component of operating costs.

The midstream segment, encompassing the manufacturing, system integration, and technical services of liquid oxygen generators, is the core of technology transfer. Manufacturers design and produce liquid oxygen equipment of varying sizes, purities, and flow rates based on technological principles (such as cryogenic air separation and pressure swing adsorption) and end-user demands. This segment involves not only machining, structural design, and system assembly, but also robust software control and system integration capabilities to achieve automated operation and remote monitoring. Participants are diverse, including global industrial gas giants like Air Products, providing end-to-end solutions from equipment to gas services; domestic Chinese companies such as Shanghai Lianfeng Gas and Hangzhou Newzhuo, which hold significant positions due to their cost-effectiveness and rapid response to the local market; and specialized equipment manufacturers like RIX Industries and Stirling Cryogenics, focusing on high-precision fields such as military, aerospace, and scientific research. The core competitiveness of midstream manufacturers lies in their technological patents, process optimization, energy consumption control, and ability to provide integrated installation and maintenance services.

The downstream segment covers an extremely broad range of applications for liquid oxygen generators. The largest application area is the medical industry, where liquid oxygen is the core gas source for hospital central oxygen supply systems. Its stability and purity are directly related to patients' health and lives, especially after the COVID-19 pandemic, when the construction of oxygen storage and disaster preparedness capabilities in medical institutions has received significant attention. The industrial sector is another important market, with liquid oxygen widely used in metal smelting, glass manufacturing, chemical synthesis, wastewater treatment, and pulp bleaching processes as a highly efficient combustion aid or oxidant. Furthermore, in the aerospace and military industries, liquid oxygen is a key component of rocket propellants, requiring equipment with extremely high reliability and safety. Emerging applications include civilian oxygen supply in high-altitude areas, oxygenation in aquaculture, and protective gas sources for high-end manufacturing industries such as new energy and semiconductors. Changes in downstream market demand, such as investment in medical infrastructure, production of special steel, and the frequency of space launches, directly determine the boom cycle and development direction of the liquid oxygen generator industry.

In summary, the liquid oxygen generator industry chain is a closely connected, technology-driven value chain profoundly influenced by downstream demand. Upstream materials and components determine basic performance, midstream manufacturing and integration create core value, while downstream diversified applications drive technological iteration and market expansion. In the future, with increasing global focus on supply chain resilience and energy efficiency, the automation and intelligence levels of the industrial chain will further improve.

Currently, the liquid oxygen generator market exhibits clear regional and technological differentiation characteristics.

Firstly, in the field of large-scale industrial-grade liquid oxygen generators, competition is mainly concentrated among international cryogenic equipment giants. These companies, with their mature air separation technology, global service networks, and strong EPC (Engineering, Procurement, and Construction) capabilities, hold approximately 65% ​​of the global market share. Secondly, in the field of small- and medium-sized liquid oxygen generators and medical applications, Chinese, Indian, and South Korean companies are rapidly emerging, winning market share in developing countries through cost advantages, flexible customization, and regional services, accounting for approximately 25% of the global market. Furthermore, some emerging companies are focusing on modularization, low energy consumption, and intelligent control, forming technologically differentiated competition.

Overall, the competitive landscape of the liquid oxygen generator industry presents a hybrid structure of "oligopoly + regional fragmentation." The four major international gas companies still dominate the high-end and large-scale equipment market, while Asian manufacturers are rapidly expanding their mid-to-low-end supply capacity by leveraging policy and cost advantages. Future competition will shift from simple capacity comparisons to a comprehensive competition encompassing energy efficiency, automation control, liquid oxygen purity, and intelligent operation and maintenance services.

The report provides a detailed analysis of the market size, growth potential, and key trends for each segment. Through detailed analysis, industry players can identify profit opportunities, develop strategies for specific customer segments, and allocate resources effectively.

The Liquid Oxygen Generator market is segmented as below:
By Company
RIX Industries
PCI Gases
Air Products
Oxywise
Stirling Cryogenics
Nuzhuo
MINNUO
OURUI
LifenGas
CHENGDE

Segment by Type
Electric Motor Drive
Steam Turbine Drive
Gas Turbine Drive

Segment by Application
Medical
Industrial
Environmental
Others

Each chapter of the report provides detailed information for readers to further understand the Liquid Oxygen Generator market:

Chapter 1: Introduces the report scope of the Liquid Oxygen Generator report, global total market size (valve, volume and price). This chapter also provides the market dynamics, latest developments of the market, the driving factors and restrictive factors of the market, the challenges and risks faced by manufacturers in the industry, and the analysis of relevant policies in the industry. (2021-2032)
Chapter 2: Detailed analysis of Liquid Oxygen Generator manufacturers competitive landscape, price, sales and revenue market share, latest development plan, merger, and acquisition information, etc. (2021-2026)
Chapter 3: Provides the analysis of various Liquid Oxygen Generator market segments by Type, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different market segments. (2021-2032)
Chapter 4: Provides the analysis of various market segments by Application, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different downstream markets.(2021-2032)
Chapter 5: Sales, revenue of Liquid Oxygen Generator in regional level. It provides a quantitative analysis of the market size and development potential of each region and introduces the market development, future development prospects, market space, and market size of each country in the world..(2021-2032)
Chapter 6: Sales, revenue of Liquid Oxygen Generator in country level. It provides sigmate data by Type, and by Application for each country/region.(2021-2032)
Chapter 7: Provides profiles of key players, introducing the basic situation of the main companies in the market in detail, including product sales, revenue, price, gross margin, product introduction, recent development, etc. (2021-2026)
Chapter 8: Analysis of industrial chain, including the upstream and downstream of the industry.
Chapter 9: Conclusion.

Benefits of purchasing QYResearch report:

Competitive Analysis: QYResearch provides in-depth Liquid Oxygen Generator competitive analysis, including information on key company profiles, new entrants, acquisitions, mergers, large market shear, opportunities, and challenges. These analyses provide clients with a comprehensive understanding of market conditions and competitive dynamics, enabling them to develop effective market strategies and maintain their competitive edge.

Industry Analysis: QYResearch provides Liquid Oxygen Generator comprehensive industry data and trend analysis, including raw material analysis, market application analysis, product type analysis, market demand analysis, market supply analysis, downstream market analysis, and supply chain analysis.

and trend analysis. These analyses help clients understand the direction of industry development and make informed business decisions.

Market Size: QYResearch provides Liquid Oxygen Generator market size analysis, including capacity, production, sales, production value, price, cost, and profit analysis. This data helps clients understand market size and development potential, and is an important reference for business development.

Other relevant reports of QYResearch:
Global Liquid Oxygen Generator Market Outlook, In‐Depth Analysis & Forecast to 2031
Global Liquid Oxygen Generator Market Research Report 2025
Global Liquid Oxygen Generator Sales Market Report, Competitive Analysis and Regional Opportunities 2025-2031
Global Liquid Oxygen Generator Market Insights, Forecast to 2031

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