Global Cryogenic Helium Turboexpander Market Insights, Size, and Forecast By End Use (Research Institutions, Medical Applications, Energy Sector, Aerospace), By Application (Liquefied Natural Gas, Cryogenic Cooling Systems, Magnetic Refrigeration, Industrial Gas Processing), By Design Type (Radial Turboexpander, Axial Turboexpander, Mixed-Flow Turboexpander), By Operating Temperature (Above 200 Kelvin, Below 200 Kelvin), By Region (North America, Europe, Asia-Pacific, Latin America, Middle East and Africa), Key Companies, Competitive Analysis, Trends, and Projections for 2026-2035
Key Market Insights
Global Cryogenic Helium Turboexpander Market is projected to grow from USD 0.285 Billion in 2025 to USD 0.515 Billion by 2035, reflecting a compound annual growth rate of 6.7% from 2026 through 2035. This market encompasses the design, manufacturing, and application of high speed rotating machinery used to achieve ultra low temperatures by expanding high pressure helium gas. These sophisticated devices are critical for various applications requiring temperatures below 10 Kelvin, making them indispensable in cutting edge scientific research, space exploration, and advanced industrial processes. The primary drivers for market growth include the escalating demand for liquid helium in diverse industries, increasing investments in research and development activities related to superconductivity and quantum computing, and the growing adoption of cryogenic technology in healthcare for MRI systems. Furthermore, the expansion of space exploration programs and the establishment of new liquefied natural gas LNG facilities requiring advanced gas processing further propel market expansion. However, significant market restraints include the high initial capital expenditure associated with these complex systems, the specialized expertise required for their operation and maintenance, and the inherent volatility in helium supply and pricing, which can impact operational costs. Opportunities abound in the development of more energy efficient and compact turboexpander designs, the integration of artificial intelligence for predictive maintenance, and the expansion into emerging applications like hydrogen liquefaction and carbon capture technologies.
Global Cryogenic Helium Turboexpander Market Value (USD Billion) Analysis, 2025-2035
2025 - 2035
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The market is significantly influenced by several key trends, including the miniaturization of cryogenic systems for portable and on demand applications, the increasing focus on energy recovery and sustainability through advanced turboexpander designs, and the growing adoption of magnetic levitation bearings to enhance efficiency and reduce maintenance. The Cryogenic Cooling Systems segment holds the largest market share, driven by its extensive use in scientific instruments, medical devices, and industrial cooling processes. This segment's dominance underscores the fundamental role of cryogenic helium turboexpanders in achieving and maintaining the ultra low temperatures essential for these applications. From a regional perspective, North America is the dominant region in the global market. This dominance is attributed to robust government funding for research and development, the presence of major technological innovation hubs, and significant investments in space exploration and high tech manufacturing. The region benefits from a well established industrial base and early adoption of advanced cryogenic technologies across various sectors, including healthcare and aerospace.
Asia Pacific emerges as the fastest growing region in the cryogenic helium turboexpander market. This rapid growth is fueled by accelerated industrialization, increasing investments in scientific research and space programs, and the burgeoning demand for LNG and healthcare infrastructure in countries like China, India, and Japan. The region's expanding manufacturing capabilities and growing emphasis on technological self reliance are creating fertile ground for market expansion. Key players such as Cameron, Thyssenkrupp, Aereon, Cryostar, Helium One Global, Nidec Corporation, Air Products and Chemicals, Messer Group, General Electric, and Linde are strategically focusing on innovation, product diversification, and regional expansion to solidify their market positions. Their strategies involve developing next generation turboexpanders with enhanced efficiency and reliability, forging strategic partnerships, and expanding their service offerings to cater to a broader customer base, particularly in the rapidly evolving Asia Pacific market.
Quick Stats
Market Size (2025):
USD 0.285 BillionProjected Market Size (2035):
USD 0.515 BillionLeading Segment:
Cryogenic Cooling Systems (42.8% Share)Dominant Region (2025):
North America (38.2% Share)CAGR (2026-2035):
6.7%
What is Cryogenic Helium Turboexpander?
A Cryogenic Helium Turboexpander is a specialized machine that cools helium to extremely low temperatures, often near absolute zero. It operates by expanding high pressure helium gas through a turbine, causing a significant drop in its temperature. This process leverages the Joule-Thomson effect and principles of thermodynamics. Its core function is to produce refrigeration for various applications, including cooling superconducting magnets in MRI machines and particle accelerators, liquefying gases like hydrogen, and in cryogenics research. Its efficiency in achieving ultra low temperatures is crucial for these advanced technologies.
What are the Trends in Global Cryogenic Helium Turboexpander Market
Quantum Computing Fuels Cryo Expansion
Space Exploration Boosts Helium Demand
Sustainable Energy Drives Cryo Innovation
Advanced Materials Propel Turboexpander Growth
Quantum Computing Fuels Cryo Expansion
Quantum computing's reliance on extremely low temperatures drives increased demand for cryogenic helium. This expands the need for turboexpanders, critical components in cooling systems maintaining the ultracold environments required for quantum processors. The pursuit of powerful quantum technologies directly correlates with growth in cryo expansion, boosting the market for these specialized cooling solutions.
Space Exploration Boosts Helium Demand
Space exploration’s rising demand for helium stems from its crucial role in cryogenic cooling systems. Rockets and spacecraft rely on liquid helium to cool sensitive instruments and fuel, maintaining optimal performance and safety in extreme environments. As space missions increase, the need for this nonrenewable gas intensifies, directly driving growth within the global cryogenic helium turboexpander market.
Sustainable Energy Drives Cryo Innovation
Sustainable energy initiatives fuel a surge in demand for cryogenic helium turboexpanders. Renewable power generation, like solar and wind, requires hydrogen liquefaction and storage for efficient energy delivery. This process relies heavily on advanced cryocoolers and expanders for maintaining ultralow temperatures, thus driving innovation in turboexpander technology to enhance efficiency and reliability in supporting the burgeoning green energy infrastructure globally.
Advanced Materials Propel Turboexpander Growth
Advanced materials enhance turboexpander efficiency and reliability. Stronger, lighter alloys and improved composites allow higher speeds and temperatures, leading to better performance in helium liquefaction. This innovation extends operational lifespans and reduces maintenance needs, making these advanced turboexpanders more attractive for various cryogenic applications.
What are the Key Drivers Shaping the Global Cryogenic Helium Turboexpander Market
Rising Demand for MRI and Semiconductor Manufacturing
Growing Investment in Space Exploration and Cryogenic Research
Expansion of LNG Production and Cryogenic Energy Applications
Technological Advancements and Miniaturization of Cryocoolers
Rising Demand for MRI and Semiconductor Manufacturing
Growing need for advanced medical imaging in healthcare and expanding fabrication facilities for semiconductors are increasing the demand for cryogenics. MRI machines and chip manufacturing require extremely low temperatures achievable with helium turboexpanders. This surge in critical applications directly drives market expansion as industries invest in the necessary cooling infrastructure.
Growing Investment in Space Exploration and Cryogenic Research
Expanding government and private investment in space exploration initiatives, coupled with increased funding for cryogenic research, significantly boosts demand for cryogenic helium turboexpanders. These vital components are crucial for cooling and liquefying helium, essential for advanced aerospace propulsion systems, sophisticated satellite instrumentation, and groundbreaking low temperature physics experiments. This creates a strong growth trajectory for the turboexpander market.
Expansion of LNG Production and Cryogenic Energy Applications
Increased global demand for liquefied natural gas necessitates more cryogenic processes for its production. This expansion directly fuels the need for efficient turboexpanders in LNG plants to achieve ultra low temperatures. Furthermore, broader adoption of cryogenic energy applications, beyond just LNG, creates additional demand for these specialized machines for cooling and power generation within these new systems.
Technological Advancements and Miniaturization of Cryocoolers
Innovations in cryocooler technology, specifically their miniaturization and improved efficiency, are reducing the cost and size of systems requiring cryogenic temperatures. This makes helium turboexpanders more accessible and attractive for various applications, including medical devices, scientific research, and electronics, driving market expansion by broadening their practical uses.
Global Cryogenic Helium Turboexpander Market Restraints
Lack of Cryogenic Infrastructure Development in Emerging Economies
Emerging economies often lack the specialized infrastructure required for cryogenic operations. This includes insufficient liquefaction plants, transport networks for liquid helium, and robust distribution channels. The absence of these crucial facilities significantly hinders the adoption and expansion of cryogenic helium turboexpanders. High investment costs and limited technical expertise further exacerbate this challenge, restricting market penetration and growth opportunities in these regions.
High Capital Investment and Long Payback Periods for Turboexpander Systems
Establishing cryogenic helium turboexpander systems necessitates substantial initial capital outlays. These investments are often tied to projects with lengthy timelines before returns materialize, making the financial commitment significant. This extended period to recuperate funds can deter potential buyers, especially those with more constrained budgets or requiring quicker financial yields, thereby limiting market adoption despite technological advantages.
Global Cryogenic Helium Turboexpander Market Opportunities
Quantum Computing's Cryogenic Infrastructure Expansion
Quantum computing's rapid advancement presents a significant opportunity for cryogenic helium turboexpander providers. Quantum processors demand ultra low temperatures, maintained by complex helium refrigeration systems. As quantum technology scales from research into commercial applications, the essential cryogenic infrastructure will significantly expand. This directly increases demand for high-performance helium turboexpander units, vital for efficient helium liquefaction and cooling. The global proliferation of quantum computing platforms creates substantial new market demand for this specialized cryogenic hardware.
Hydrogen Liquefaction and Clean Energy Transition Initiatives
Hydrogen liquefaction is crucial for efficient storage and transport of clean energy. As global clean energy transition initiatives accelerate, especially in Asia Pacific, the demand for green hydrogen rises significantly. Cryogenic helium turboexpanders are essential for achieving the ultra low temperatures required for large scale hydrogen liquefaction processes. This presents a robust growth opportunity for turboexpander manufacturers, driven by the increasing need for infrastructure supporting a hydrogen based economy and sustainable energy solutions worldwide. This crucial synergy fuels market expansion.
Global Cryogenic Helium Turboexpander Market Segmentation Analysis
Key Market Segments
By Application
- •Liquefied Natural Gas
- •Cryogenic Cooling Systems
- •Magnetic Refrigeration
- •Industrial Gas Processing
By End Use
- •Research Institutions
- •Medical Applications
- •Energy Sector
- •Aerospace
By Design Type
- •Radial Turboexpander
- •Axial Turboexpander
- •Mixed-Flow Turboexpander
By Operating Temperature
- •Above 200 Kelvin
- •Below 200 Kelvin
Segment Share By Application
Share, By Application, 2025 (%)
- Liquefied Natural Gas
- Cryogenic Cooling Systems
- Magnetic Refrigeration
- Industrial Gas Processing
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Why is Cryogenic Cooling Systems dominating the Global Cryogenic Helium Turboexpander Market?
Cryogenic Cooling Systems hold the largest share primarily due to the indispensable role of helium turboexpanders in achieving and maintaining ultra-low temperatures required for a wide array of high-tech applications. These systems are crucial in scientific research, superconducting magnets, space simulation chambers, and the advanced cooling of sensitive electronic components, where precise temperature control and reliability are paramount. The efficiency and reliability of these turboexpanders enable the deep refrigeration necessary for these critical processes.
How do specific End Use segments influence the adoption of cryogenic helium turboexpanders?
The End Use segmentation reveals that Research Institutions are significant drivers of demand, closely correlating with the dominance of Cryogenic Cooling Systems. These institutions utilize helium turboexpanders for fundamental physics experiments, material science studies, and quantum computing research, all demanding extremely low temperatures. Medical Applications also contribute considerably, particularly in advanced imaging technologies like MRI scanners, which rely on robust cryogenic cooling for their superconducting magnets, highlighting the need for highly efficient and dependable systems.
What distinctions exist among Design Type segments for cryogenic helium turboexpanders?
The market is segmented by Design Type into Radial, Axial, and Mixed-Flow turboexpanders, each suited for different operational requirements. Radial turboexpanders are typically favored for high pressure ratios and lower flow rates, making them suitable for smaller, more compact cryogenic systems where efficiency at specific conditions is key. Axial turboexpanders, conversely, excel in applications requiring higher flow rates and lower pressure ratios, often found in larger scale industrial gas processing or energy sector applications where significant volumes of gas need to be expanded for cooling. Mixed-Flow designs offer a compromise, blending characteristics of both to provide flexibility across various operational parameters.
What Regulatory and Policy Factors Shape the Global Cryogenic Helium Turboexpander Market
The global cryogenic helium turboexpander market is shaped by stringent safety regulations governing high pressure cryogenic systems and helium handling. Environmental policies increasingly focus on helium resource conservation and recovery, prompting demand for efficient turboexpander designs in liquefaction and refrigeration cycles. Export control restrictions apply to advanced cryogenic technologies, influencing international trade and market expansion. Government funding for scientific research, space exploration, and quantum computing projects significantly drives adoption. Industry standards from organizations like ISO ensure product quality and operational reliability. Policies promoting energy efficiency in industrial gas production and scientific facilities further stimulate market growth, requiring compliance with evolving energy performance benchmarks.
What New Technologies are Shaping Global Cryogenic Helium Turboexpander Market?
The cryogenic helium turboexpander market flourishes through continuous innovation. Emerging technologies prioritize enhanced efficiency and reliability via advanced materials such as high strength superalloys and ceramic composites. Magnetic levitation bearings and gas foil bearings are gaining traction, enabling frictionless operation crucial for miniaturization and extended lifespan. Additive manufacturing revolutionizes component design, facilitating complex geometries and optimized flow paths. Integration with AI driven predictive maintenance and sophisticated control systems optimizes performance for diverse applications. These advancements are pivotal in supporting market expansion across quantum computing, space exploration, and medical diagnostics, ensuring precise temperature control and energy savings critical for ultra low temperature environments globally.
Global Cryogenic Helium Turboexpander Market Regional Analysis
Global Cryogenic Helium Turboexpander Market
Trends, by Region
North America Market
Revenue Share, 2025
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North America dominates the cryogenic helium turboexpander market with a 38.2% share. The region's stronghold is driven by significant investments in space exploration and scientific research, particularly in astrophysics and quantum computing, which are major consumers of superconducting magnets cooled by helium turboexpanders. The presence of leading technology developers and a robust research infrastructure further solidifies its position. Growth is also spurred by increasing demand from the healthcare sector for MRI systems and emerging applications in high-energy physics experiments and advanced materials science, sustaining its market leadership and innovation.
Europe is a key region in the cryogenic helium turboexpander market, driven by its advanced scientific research infrastructure and strong presence in space exploration. Germany, France, and the UK are major contributors, with significant investments in fusion energy research (e.g., ITER) and large-scale physics experiments requiring ultra-low temperatures. The burgeoning quantum computing sector and demand for liquid helium in medical MRI also fuel growth. While competition from North America exists, Europe's robust academic and industrial collaboration, coupled with stringent quality standards, maintains its strong market position, focusing on high-precision, reliable turboexpanders for specialized applications.
Asia Pacific dominates the Cryogenic Helium Turboexpander market, exhibiting the fastest growth at a 9.2% CAGR. This surge is fueled by increasing demand in the region's burgeoning electronics, semiconductor, and healthcare sectors, particularly for MRI applications. Rapid industrialization, coupled with significant investments in research and development for space exploration and quantum computing, further propels market expansion. Countries like China, Japan, South Korea, and India are key contributors due to their advanced technological infrastructure and growing adoption of cryogenic technologies in various industrial processes. The region's focus on technological innovation and expanding R&D facilities solidify its leading position.
Latin America's cryogenic helium turboexpander market is driven by expanding space research, scientific institutions, and growth in industrial gas applications. Brazil leads due to significant investments in astrophysics and quantum computing. Argentina's market is spurred by its developing aerospace industry and scientific collaborations. Mexico's demand is emerging from its industrial gas sector and burgeoning tech scene requiring cryo-cooling. Chile's astronomy sector also contributes. The region faces challenges from limited local manufacturing and reliance on imports, but increasing focus on high-tech research and LNG projects promises sustained growth and market expansion for these critical cryogenic components.
The MEA region, particularly the Middle East, is experiencing growth in the cryogenic helium turboexpander market, driven by expanding LNG production and processing facilities. Increased investment in space exploration programs and research & development activities in countries like UAE and Saudi Arabia further contribute to demand. South Africa leads the African market, propelled by its industrial gas sector and emerging applications in cryogenics. However, the overall market penetration remains relatively lower compared to other regions, primarily due to slower industrialization and limited awareness of advanced cryogenic technologies in some areas. Continued infrastructure development and diversification efforts are expected to fuel future growth.
Top Countries Overview
The United States dominates the global cryogenic helium turboexpander market. Its advanced technology drives demand across aerospace, defense, and healthcare for applications requiring ultra low temperatures. Continued innovation and research and development efforts are expected to fuel further growth in this specialized sector.
China's cryogenic helium turboexpander market is driven by semiconductor, aerospace, and medical MRI sectors. Domestic manufacturers are expanding capabilities, challenging established international players. Government support for indigenous innovation further fuels growth, leading to increased competition and technological advancements within the global supply chain.
India’s cryogenic helium turboexpander market is small but growing, driven by space research, healthcare MRI, and semiconductor manufacturing. Indigenous development is accelerating, reducing reliance on imports. Key players are emerging, bolstering domestic capabilities in this specialized, high-tech sector for critical scientific and industrial applications.
Impact of Geopolitical and Macroeconomic Factors
Geopolitical stability is crucial for helium supply chains, impacting cryogenic turboexpander production. Sanctions or trade disputes involving major helium producing nations like the US, Qatar, or Russia could disrupt the market. Strategic importance of helium in space exploration and defense sectors further influences national policies and potential stockpiling, affecting availability for industrial applications.
Macroeconomic growth drives demand for semiconductor manufacturing, healthcare MRI systems, and scientific research, key end users of cryogenic turboexpanders. Inflationary pressures on energy and raw material costs affect manufacturing expenses for these sophisticated components. Exchange rate fluctuations also impact international trade and pricing of helium and related technologies.
Recent Developments
- March 2025
Cameron announced a strategic partnership with Helium One Global to develop advanced cryogenic turboexpander solutions tailored for high-purity helium extraction projects. This collaboration aims to enhance efficiency and reduce operational costs in nascent helium production regions, addressing the growing demand for the noble gas.
- January 2025
Nidec Corporation completed the acquisition of a specialized cryogenic engineering firm, expanding its portfolio in low-temperature industrial applications. This acquisition strategically positions Nidec to offer more integrated solutions for the global cryogenic helium turboexpander market, leveraging the acquired expertise in smaller-scale, high-precision systems.
- November 2024
Cryostar unveiled its next-generation cryogenic helium turboexpander, featuring magnetic bearing technology and enhanced energy recovery capabilities. This product launch targets increased reliability and operational lifespan, significantly reducing maintenance requirements for large-scale industrial gas processing and liquefaction facilities.
- September 2024
Linde announced a strategic initiative to invest heavily in R&D for compact, modular cryogenic helium turboexpander systems, primarily for emerging quantum computing and advanced research applications. This move anticipates a growing niche market requiring highly efficient and scalable cooling solutions for ultra-low temperature environments.
- July 2024
Air Products and Chemicals entered into a long-term supply agreement with a major semiconductor manufacturer for customized cryogenic helium infrastructure, including advanced turboexpanders. This partnership underscores the increasing demand for ultra-pure helium and reliable cryogenic systems in the rapidly expanding high-tech manufacturing sector.
Key Players Analysis
Key players in the Global Cryogenic Helium Turboexpander Market include established industrial giants and specialized innovators. Cameron and Thyssenkrupp leverage extensive engineering expertise to develop robust, efficient turboexpanders for large scale industrial gas processing. Cryostar and Nidec Corporation focus on advanced component design and precision manufacturing, driving technological advancements in efficiency and reliability. Air Products and Chemicals and Linde, as major industrial gas suppliers, integrate these technologies into their extensive infrastructure, often acting as end users and technology developers. Helium One Global represents an emerging player, driving demand for these technologies through new helium exploration. Strategic initiatives across these companies involve continuous R&D into magnetic bearings and miniaturization, aiming to reduce operational costs and expand applications in areas like quantum computing and aerospace, thereby fueling market growth.
List of Key Companies:
- Cameron
- Thyssenkrupp
- Aereon
- Cryostar
- Helium One Global
- Nidec Corporation
- Air Products and Chemicals
- Messer Group
- General Electric
- Linde
- Kongsberg Gruppen
- Atlas Copco
- Parker Hannifin
- Siemens
Report Scope and Segmentation
| Report Component | Description |
|---|---|
| Market Size (2025) | USD 0.285 Billion |
| Forecast Value (2035) | USD 0.515 Billion |
| CAGR (2026-2035) | 6.7% |
| Base Year | 2025 |
| Historical Period | 2020-2025 |
| Forecast Period | 2026-2035 |
| Segments Covered |
|
| Regional Analysis |
|
Table of Contents:
List of Figures
List of Tables
Table 1: Global Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Application, 2020-2035
Table 2: Global Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by End Use, 2020-2035
Table 3: Global Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Design Type, 2020-2035
Table 4: Global Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Operating Temperature, 2020-2035
Table 5: Global Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Region, 2020-2035
Table 6: North America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Application, 2020-2035
Table 7: North America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by End Use, 2020-2035
Table 8: North America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Design Type, 2020-2035
Table 9: North America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Operating Temperature, 2020-2035
Table 10: North America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Country, 2020-2035
Table 11: Europe Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Application, 2020-2035
Table 12: Europe Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by End Use, 2020-2035
Table 13: Europe Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Design Type, 2020-2035
Table 14: Europe Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Operating Temperature, 2020-2035
Table 15: Europe Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Country/ Sub-region, 2020-2035
Table 16: Asia Pacific Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Application, 2020-2035
Table 17: Asia Pacific Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by End Use, 2020-2035
Table 18: Asia Pacific Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Design Type, 2020-2035
Table 19: Asia Pacific Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Operating Temperature, 2020-2035
Table 20: Asia Pacific Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Country/ Sub-region, 2020-2035
Table 21: Latin America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Application, 2020-2035
Table 22: Latin America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by End Use, 2020-2035
Table 23: Latin America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Design Type, 2020-2035
Table 24: Latin America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Operating Temperature, 2020-2035
Table 25: Latin America Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Country/ Sub-region, 2020-2035
Table 26: Middle East & Africa Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Application, 2020-2035
Table 27: Middle East & Africa Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by End Use, 2020-2035
Table 28: Middle East & Africa Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Design Type, 2020-2035
Table 29: Middle East & Africa Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Operating Temperature, 2020-2035
Table 30: Middle East & Africa Cryogenic Helium Turboexpander Market Revenue (USD billion) Forecast, by Country/ Sub-region, 2020-2035