1. Top page
  2. > Company information
  3. > Company Profile/History

Company Outline/History

About us

Trade name Sumitomo Precision Products Co., Ltd.
​
Establishment January 1961 (Showa 36)
Capital 10.311 billion yen
representative Tetsuya Tsurumaru, Representative Director, President and CEO
Employee Consolidated: 1,783 employees; Non-consolidated: 1,375 employees (as of March 31, 2026)
shareholder Sumitomo Corporation 100%
Fiscal year end March 31
Factory site area 136,844 m²
Head office location
1-10 Fuso-cho, Amagasaki, Hyogo, Japan, 660-0891
Map here
Main business
  • Aerospace
  • Heat exchanger
  • Hydraulic Control
  • Ozone generator
  • MEMS and Semiconductor Manufacturing Equipment Business
  • MEMS Devices
Click here for business introduction

History

1961年 Sumitomo Metal Industries, Ltd. (currently Nippon Steel Corporation) inherited the aircraft equipment division.
Established as Sumitomo Precision Products Co., Ltd.
1963年 We have started manufacturing large-scale heat exchanger for low-temperature industrial use.
1967年 Manufacturing of large propellers for patrol aircraft begins.
1969年 Started manufacturing liquefied natural gas vaporizers
1970年 The company listed its shares on both the Tokyo and Osaka stock exchanges.
1974年 We have started manufacturing ozone generators.
1975年 We have obtained ASME certification for the manufacture of heat exchanger
1977年 Shiga (Hydraulic Equipment) factory completed
1982年 Shiga (Aerospace Equipment) Factory Completed
1986年 Entering the vacuum equipment field, opening up new business areas for semiconductor manufacturing equipment.
1988年 Developed an ultra-high concentration ozonizer that achieves the world's highest level of ozone generation concentration
Started development and manufacturing of space equipment
1989年 Head office and new building completed
1990年 We have started manufacturing stainless steel heat exchanger for high-temperature applications.
1993年 Wakayama (heat exchanger) factory completed.
1994年 We have obtained ISO9001 certification for our low-temperature industrial heat exchanger.
1995年 Acquired UK-based Surface Technology Systems plc (STS)
1996年 Hydraulic Engineering Center Opens
1997年 We have obtained ISO9001 certification for equipment used in civilian aircraft.
1999年 Established a joint venture with BAe in the UK for the manufacture and sale of motion sensors
Head office and factory obtain ISO14001 certification
2000年 Established Sumitomo Precision USA, Inc. (US subsidiary, Texas)
2001年 Started manufacturing plasma processing equipment at the head office factory
2004年 Established Ningbo Seismic Pressure Industrial Co., Ltd. in China through joint investment with Ningbo the Haitian Group Co., Ltd.
2009年 Acquired some assets and business of Aviza Technology Inc. in the US, established SPP Process Technology Systems Ltd. (SPTS) in the UK, and merged with STS
2010年 Established Sumitomo Precision Products technology(Shanghai) Co., Ltd.
2011年 Transferred UK SPTS. Established a joint venture with SPTS, SPP Technologies Co., Ltd.
2014年 Established SPP Nagasaki Engineering Co., Ltd.
2019年 Established SPP Aerospace Service Inc.
2023年 Delisted from the Tokyo Stock Exchange
2026年 We absorbed SPP Technologies Co., Ltd. Co., Ltd. and established Advanced Process Systems Business Unit

Back to top

Back to top