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Company History

September, 1969


Tokorozawa Alloy Foundry Co,Ltd. founded. The headquarter was located at Ooaza-Shimoyasumatsu, Tokorozawa-shi, Saitama-ken.
Capital : 3 million yen.

October, 1981

The Yamagata factory was built in Aratani, Tendo-shi, Yamagata-ken.
Capital : 11 million yen.

May, 1983

The headquarter factory was moved to Matsugou, Tokorozawa-shi, Saitama-ken.

December, 1987

Founded TK Engineering for machine work.
Capital : 3 million yen.

January, 1990

The Yamagata factory was moved to Hitoichi-machi, Tendo-shi, Yamagata-ken.

September, 1993

The headquarter was moved to Matsugou, Tokorozawa-shi, Yamagata-ken.

December, 1995

Capital increase.
Capital : 10 million yen.

July, 1996

Started manufacturing business of wooden molds for metallic casting. (CAD/CAM)

March, 1999

Built the Yamagata factory in Hitoichi-machi, Tendo-shi, Yamagata-ken for starting a high-volume production of metallic mold casting.

September, 2006

Built the second Yamagata factory.

October, 2006


Certified ISO14001 : 2004.
TK Engineering. The headquarter and factory.
Tokorozawa Alloy Foundry Co,Ltd.The headquarter and the headquarter factory.

July, 2008

Built a new headquarter factory.

May, 2009


Certified ISO9001 : 2008.
Tokorozawa Alloy Foundry Co,Ltd.The headquarter (sales department only)
and the second Yamagata factory.

September, 2010

Built a new office building for the headquarter.

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Headquarter/Saitama Factory

Yamagata First Factory

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