Company History

1916

Research and development of Duralumin under the company name Sumitomo Shindosho.

1925

Began manufacture of materials for aircraft propeller blades.

1933

Began manufacture of Hamilton-type metal propellers.

1935

Sumitomo Shindo Kokan and Sumitomo Seikosho merged to form Sumitomo Metals Industries, Ltd.

1937

Factory constructed to manufacture propellers.

1943

Propeller manufacturing plant moved to present site (Amagasaki).

1945

World War II ended and all production was stopped.

1953

Propeller Department established; manufacture and repair of aircraft components resumed.

1954

Technology developed for manufacture of heat exchangers by aluminum dip-brazing method.

1956

Aero Products Division established.
Began manufacture of aircraft landing gears, hydraulic equipment, wooden rotor blades for helicopters, etc.

1959

Began manufacture of hydraulic equipment for industrial applications.

1961

Aero Products Division of Sumitomo Metals Industries, Ltd. became independent under the name Sumitomo Precision Products Co., Ltd.

1963

Began manufacture of hydraulic equipment for ships.

1964

Began manufacture of large heat exchangers for cryogenic industrial applications.

1967

Began manufacture of large propellers for patrol planes.

1969

Began manufacture of LNG vaporizers.

1970

Company stock listed on Tokyo and Osaka stock exchanges.

1974

Began manufacture of ozone generators.

1975

Establishment of New York Office.
Received approval for heat exchanger manufacture under ASME standards.

1977

Construction of Shiga plant completed.

1986

Entered vacuum equipment fields, opening new line of business for semiconductor manufacturing equipment.

1988

Began development and manufacture of equipment for space applications.

1989

New head office completed.

1993

Construction of Wakayama Plant completed.
Developed Japan's largest ozonizers for waste water treatment and began manufacture.

1994

Approval obtained under ISO 9001 for heat exchanger manufacture for cryogenic industrial applications.

1995

Acquires Surface Technology Systems plc. of the U.K.

1996

Water Technology Center opened.

1997

Approval obtained under ISO 9001 for aircraft components and aircraft engine components.

1999

Establishment of a joint venture with British Aerospace for manufacture and sales of motion sensors.
Approval obtained under ISO 14001 for Head office & Main plant.

2000

Establishment of Sumitomo Precision USA, Inc.

2004

Establishes Ningbo SPP Hydraulics Co.,Ltd. as a joint venture in China.

2005

Establishes Crossbow Japan Co., Ltd., as a joint venture with Crossbow Technology of the U.S.A.

2007

Acquires Primaxx Inc. of the U.S.A.
Establishment of Shanghai Office.