What Sumitomo Precision Products does

Sumitomo Precision Products Co., Ltd. (住友精密工業株式会社), founded in 1961 and headquartered in Amagasaki, Japan, is a precision manufacturing group operating six business segments: aerospace systems, heat exchangers, hydraulic control, ozone systems, MEMS/semiconductor manufacturing equipment, and MEMS devices. The company was delisted from the Tokyo Stock Exchange in March 2023 and is now a wholly-owned subsidiary of Sumitomo Corporation, operating under the Sumitomo Group umbrella. Its products include aircraft landing gear and thermal control systems for Boeing, Rolls-Royce, Bombardier, Embraer, and the Japanese Ministry of Defense; plate-fin heat exchangers and LNG vaporizers where it holds the world No. 1 position; QT hydraulic pumps and coolant pumps; ozone generators with world-highest concentration records; silicon deep etching equipment with ~90% MEMS market share; and piezoelectric MEMS gyroscopes and inertial measurement units produced via the Silicon Sensing Systems UK joint venture established in 1999.

The company monetizes primarily through B2B hardware sales via dedicated direct sales divisions per business segment, supported by regional offices in Tokyo and Osaka, a US manufacturing subsidiary in DeSoto, Texas, a China joint venture for hydraulics, and international hydraulic distributor networks across 12+ countries. Pricing is quote-based for large industrial and aerospace orders, with no publicly disclosed list pricing. Proprietary technology moats include aluminum dip brazing for compact heat exchangers, Bosch-process silicon deep etching, and piezoelectric thin-film MEMS gyro fabrication developed over 25 years. Customers include the Japanese MOD, Boeing, Rolls-Royce, JAXA, Panasonic, Bosch, Bombardier, and Embraer, with program-level relationships spanning 40+ years in aerospace thermal control.

Recent strategic moves emphasize portfolio renewal: full acquisition of MEMS equipment subsidiary SPP Technologies in April 2024, a hydraulic equipment alliance with Shimadzu Corporation announced October 2025 targeting FY2027 products, mass production of the Siphorex data center heat exchanger (30,000-unit annual capacity) launched November 2025, addition of photolithography equipment in April 2026, and demonstration of a liquid hydrogen heat exchanger in June 2026. The company maintains 1,701 consolidated employees as of March 2025 across manufacturing sites in Japan and the US, with registered capital of 103.11 billion yen.

Name

Sumitomo Precision Products

Legal name

Sumitomo Precision Products Co., Ltd.

Website

https://spp.co.jp

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Sumitomo Precision Products is a Japanese precision manufacturer (founded 1961, Amagasaki) operating in aerospace systems, LNG/industrial heat exchangers, hydraulics, ozone systems, and MEMS/semiconductor equipment and devices, now a wholly-owned Sumitomo Corporation subsidiary serving aerospace primes, defense ministries, LNG terminals, and MEMS fabs.

Ownership category

akta.pro rank

Product category

Precision Industrial Manufacturing

NAICS

Aerospace Product and Parts Manufacturing (33641), Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419)

SIC

Aircraft & Parts (3720), Aircraft Engines & Engine Parts (3724), Guided Missiles & Space Vehicles & Parts (3760), Semiconductors & Related Devices (3674), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)

akta.pro primary industry

Sensors, MEMS & Imaging ICs (HDAHAAAG)

akta.pro secondary industry

Sensor Fusion, Interface ICs & Modules (AFE/Readout/Packaging/Calibration) (HDAHALAO)

Keywords

• Precision manufacturing
• Aircraft landing gear
• Heat exchangers
• MEMS sensors
• Hydraulic equipment

Headquarters

HQ city

Amagasaki

HQ country

Japan

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales, Others

Revenue model

1. Aerospace Equipment Sales: Design, manufacture and sales of aircraft landing gear systems, thermal control systems, propellers, and pneumatic/hydraulic equipment for defense ministries and civilian aircraft manufacturers.
2. Industrial Heat Exchanger Sales: Plate-fin type heat exchangers for low-temperature industrial, high-temperature, general industrial, and LNG vaporization applications across energy, petrochemical, steel, semiconductor, rail and power sectors.
3. Hydraulic Equipment Sales: QT pumps (internal gear pumps with low pulsation and low noise), hydraulic control valves, coolant pumps, and hydraulic systems for injection molding machines, presses, machine tools, and transportation equipment.
4. MEMS/Semiconductor Manufacturing Equipment: Silicon deep etching, sacrificial layer etching, compound semiconductor etching, plasma CVD, PVD, thermal treatment and other process equipment for MEMS and semiconductor manufacturing through SPP Technologies.
5. Ozone Generation Systems: Ozone generators and treatment systems for water treatment, semiconductor/FPD manufacturing, pulp/ fiber bleaching, and environmental applications.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels4 records

Core offering

Sumitomo Precision Products manufactures and sells precision-engineered industrial products across six business segments: aerospace equipment (aircraft landing gear, thermal control systems, propellers, space heat exchangers for Boeing/Rolls-Royce/JAXA), plate-fin heat exchangers (LNG vaporizers, cryogenic and high-temperature industrial heat exchangers, data center cooling units), hydraulic control equipment (QT internal gear pumps, control valves, coolant pumps), ozone generation systems for water and semiconductor treatment, MEMS and semiconductor manufacturing equipment (silicon deep etching with 90% MEMS market share via SPP Technologies), and MEMS devices (gyro sensors, IMUs, Northfinder navigation systems, foundry services).

Product overview

Sumitomo Precision Products operates as a precision manufacturing company with six core business segments: Aerospace Systems (aircraft landing gear, thermal control, propellers, space products), Heat Exchangers (LNG vaporizers, plate fin heat exchangers under Smarex brand, data center cooling with Siphorex), Hydraulic Control (QT pumps, hydraulic valves, coolant pumps and units), Ozone Systems (industrial and semiconductor ozone generators, AOP treatment systems), MEMS/Semiconductor Manufacturing Equipment (silicon deep etching with 90% MEMS market share, sacrificial layer etching, compound semiconductor equipment), and MEMS Devices (gyro sensors, IMUs, Northfinder navigation systems). The company utilizes proprietary aluminum brazing technology and serves global LNG, aerospace, semiconductor, and industrial markets from facilities in Japan, USA, and China.

Differentiator

Problem solved

Functional benefit

Brands

• Siphorex (サイフォレックス): Heat exchanger brand for data centers, capable of cooling 1000W-class high-heat components with air-cooled heat exchangers. Annual production capacity of 30,000 units established.
• Predeus
• Pegasus
• S-RE
• Northfinder (ノースファインダー)
• MEMS Infinity (MEMS∞)
• QT Pump

Products and services

• Aerospace Systems (Landing Gear, Thermal Control, Propellers, Space Equipment) Aircraft landing gear systems, thermal control systems, propellers, and space-related products including H-IIA rocket heat exchangers and Kibo Japanese Experiment Module components, sold to defense ministries and civilian aircraft manufacturers such as Boeing, Rolls-Royce, Bombardier, and Embraer.
• Plate Fin Heat Exchangers (Smarex brand) High-performance, lightweight, compact plate fin type heat exchangers used in cryogenic industrial applications, LNG vaporizers, and various energy sectors. Market leader with world's top delivery record for LNG vaporizers.
• LNG Vaporizers Liquefied natural gas vaporization equipment converting LNG back to gaseous form at receiving terminals worldwide. World No.1 supplier with highest delivery record globally.
• Siphorex Data Center Heat Exchanger Air-cooled heat exchanger for data centers capable of cooling 1000W-class high-heat output components. Mass production with 30,000 units annual capacity established.
• Liquid Hydrogen Heat Exchangers Heat exchangers for liquid hydrogen applications, successfully cleared Japan's first real-environment-level demonstration in June 2026 for hydrogen energy infrastructure.
• QT Pumps (Oil Hydraulic Pumps) Special internal gear hydraulic pumps featuring low pulsation and low noise operation with trochoid gear structure, used in injection molding machines, precision presses, and hydraulic equipment.
• Hydraulic Control Valves High-reliability hydraulic control valves used in precision hydraulic systems, general and special vehicles, hydrofoils, and steel production equipment.
• Coolant Pumps (CX, CQT, E3P Series) and Coolant Units High-pressure coolant pumps for machine tool coolant supply with low noise and space-saving design, also available with inverter control for energy savings, plus complete coolant systems incorporating pumps, filters, and control equipment.
• Ozone Generators (SAG, SG, SGA Series) High-efficiency ozone generators for water treatment, pulp/fiber bleaching, chemical processes, and semiconductor manufacturing. World's highest ozone concentration achieved in 1988.
• Silicon Deep Etching Equipment (Pegasus, Predeus, CPX, VPX, ASE-Proxion) Silicon deep etching equipment (Bosch process) with 90% market share in MEMS manufacturing, offering highest etch rates, high mask selectivity, and high aspect ratio processing for MEMS device fabrication.
• Sacrificial Layer Etching Equipment (MLT SLE-Ox) Silicon oxide sacrificial layer isotropic dry etching equipment for MEMS manufacturing, enabling structure release without structural adhesion (stiction) issues.
• Compound Semiconductor Etching Equipment (APS Series) and Plasma Processing Equipment High-speed etching equipment for compound semiconductors and optical devices, plasma CVD equipment (Cetus) for low-stress films, plasma dicing equipment, PVD and thermal treatment systems for semiconductor manufacturing.
• Photolithography Equipment Photolithography equipment newly introduced to significantly enhance micro-fabrication capabilities for MEMS and semiconductor manufacturing.
• MEMS Gyro Sensors and High-Precision MEMS Gyro Sensors Piezoelectric thin-film MEMS gyroscopes and high-precision MEMS gyroscopes using silicon ring vibrating structures, achieving accuracy comparable to ring laser gyros with lighter weight and lower power consumption. Used in automotive ESC, bipedal robots, autonomous helicopters, GPS antennas, and satellites.
• Inertial Measurement Units (IMU) and Compact Redundant Inertial Sensor (MRN-01-SS) 6-axis inertial measurement units combining MEMS gyros and accelerometers, including redundant configurations (MRN-01-SS) for safety-critical applications such as aerospace navigation.
• Northfinder (AHRS) Attitude and Heading Reference System Attitude and heading reference systems using MEMS technology for determining true north direction and attitude. Used in underwater machine guidance, resource drilling, and various navigation applications including downhole variants.
• MEMS Foundry Services (including Non-Lead Piezoelectric KNN Thin Film) MEMS fabrication services including non-lead piezoelectric KNN thin film foundry services launched December 2025, branded as MEMS Infinity (MEMS∞).
• AOP Treatment Systems (Advanced Oxidation Process) Advanced oxidation process systems for decomposing refractory organic substances including dioxins, phenols, and cyanides in industrial wastewater using ozone-based treatment.

Quantifiable outcome

• World No.1 market position in LNG vaporization equipment globally
• +3 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Seven partnerships are on record, tiered core, flagship and growth.

• Shimadzu Corporation (島津製作所)coreStrategic or Co-development Partner · 28 October 2025Business alliance for joint development, manufacturing, and sales of hydraulic equipment. The partnership aims to launch jointly developed products in fiscal year 2027. Combines Sumitomo's hydraulic technology with Shimadzu's analytical and measurement expertise.
• Rolls-RoyceflagshipStrategic or Co-development Partner · 26 November 202440-year milestone partnership with Rolls-Royce for aircraft engine thermal control systems. Develops and supplies FOHE (Fuel Oil Heat Exchanger), SACOC (Surface Air Cooled Oil Cooler), and AOHE (Air Oil Heat Exchanger) for Trent 1000 engines powering Boeing 787 Dreamliner.
• Extreme-D (エクストリーム－D)growthStrategic or Co-development Partner · 5 February 2024Joint demonstration experiment for AI/HPC server cooling devices. Signed basic agreement in February 2024 to collaborate on cooling technology for high-performance computing servers using Sumitomo's heat exchanger technology.
• Undisclosed Japanese PartnergrowthStrategic or Co-development Partner · 6 July 2023Joint development contract for open-rack vaporizer for liquefied hydrogen energy society. Aiming to develop hydrogen infrastructure technology to contribute to hydrogen energy adoption.
• Silicon Sensing Systems (UK)coreStrategic or Co-development Partner · 1 January 1999Joint venture company established in 1999 for manufacturing and sales of MEMS motion sensors. Sumitomo Precision Products and a UK partner co-founded the company to develop and mass-produce MEMS gyroscope sensors for automotive and industrial applications.
• Ningbo Haitian Hydraulic Industrial Co., Ltd. (寧波住精液圧工業有限公司)coreStrategic or Co-development PartnerJoint venture established in 2004 in China with Ningbo Haitian Group for manufacturing and sales of hydraulic components. Located in Ningbo, China.
• Sumitomo Precision Shanghai Co., Ltd. (住友精密工業技術（上海）有限公司)coreStrategic or Co-development PartnerSubsidiary established in 2010 in Shanghai for sales of hydraulic pumps and coolant pumps in China.

Scale indicators5 records

Recent moves16 records

Expansion highlights5 records

Broad incumbents

• Alfa Laval: Global leader in heat transfer, separation, and fluid handling technologies serving energy, marine, food, and process industries. Overlaps with Sumitomo's plate-fin heat exchangers, LNG vaporization, and industrial heat management business across multiple end markets.
• KLA Corporation: Global semiconductor process control and equipment company that acquired SPTS Technologies (the former SPP subsidiary). Competes in adjacent semiconductor plasma etch and process equipment segments relevant to Sumitomo's MEMS/semiconductor equipment business.
• Honeywell Aerospace: Large diversified aerospace supplier of navigation systems, inertial measurement units, sensors, thermal management, and APUs. Comparable to Sumitomo's MEMS inertial sensors (Northfinder), aerospace thermal control, and propulsion accessories across commercial and defense markets.
• Tokyo Electron: One of the world's largest semiconductor production equipment manufacturers with broad product portfolio including etch, deposition, and lithography. Competes with Sumitomo's MEMS/semiconductor process equipment (plasma CVD, etching) for fab capex.
• Collins Aerospace (RTX): Major Tier-1 aerospace systems supplier offering thermal management, avionics, landing systems, and integrated aircraft systems. Overlaps with Sumitomo's aerospace thermal control (Boeing 787, Embraer E-jets via Collins) and is part of the broader RTX portfolio.

Direct peers

• Safran Landing Systems: World's leading aircraft landing gear manufacturer, supplying major commercial and military programs. Directly comparable to Sumitomo's landing gear business (P-1, C-2, CRJ series) and represents the primary global competitor in this category.
• Chart Industries: Major US-based manufacturer of cryogenic and heat transfer equipment serving LNG, petrochemical, and industrial gas markets. Directly comparable to Sumitomo's LNG vaporizers and cryogenic industrial heat exchangers (Smarex brand).
• Heroux-Devtek: Canadian tier-1 supplier of aircraft landing gear, hydraulic systems, and flight critical components for commercial and defense aerospace. Direct peer to Sumitomo's landing gear and hydraulic product lines serving similar airframe OEMs.
• Bosch Sensortec: Leading global manufacturer of MEMS sensors (accelerometers, gyroscopes, environmental sensors) for consumer, automotive, and IoT applications. Direct competitor to Sumitomo's MEMS gyroscope business and a customer of Sumitomo's MEMS deep etching equipment.

Emerging players

• Plasma-Therm: Specialized plasma etch and deposition equipment supplier for MEMS, compound semiconductor, and advanced packaging applications. Directly comparable to Sumitomo's silicon deep etching and compound semiconductor etching products in the MEMS process equipment segment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@住友精密工業リクルーティング/videos
• LinkedInlinkedin.com/company/sppcojp

Revenue estimate

Valuation estimate

Number of profiles

Profiles18 records

Subsidiaries8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sumitomo Precision Products