Toyo Precision Co., Ltd. has a long track record as a manufacturer of precision machine components and has received wide acclaim from our customers.
In 2008, we became a part of Puequ Group, forging a close relationship with Puequ Co., Ltd. and Sanwa Tesco Inc.
As a part of the group, we have played active roles in expansion of new business fields. With the new joint sales efforts, we have provided our customers with higher quality services. We at Toyo Precision believe that such efforts will contribute something of value to society.

--C.E.O. Tetsuji Kitayama


Company name Toyo Precision Co., LTD.
Address 131-30 Kuwano, Naka-ku, Okayama-shi, Okayama, 702-0082, Japan
Established April 9, 1980
Officer C.E.O. Tetsuji Kitayama

Fabrication and assembly of precision machine parts and marine engine parts,
heat treatment of metal parts

Group Companies Puequ Co., Ltd.Sanwa Tesco Inc.
Major Customers Mitsui Engineering & Shipbuilding
Mitsubishi Heavy Industries
Hitachi Zosen
Diesel United
Inoue Special Steel
Kitagawa Iron Works
Takisawa Inc.
TS Precision
The Hanshin Diesel Works
Site area 5106.58m²
Building area 3107.95m²
Employees 62

Logo Mark

Individually, blue "T" represents precision machining and red "P" represents special heat treatment.
Together, the two letters signify our pursuit of high ideals as an engineering company.

Access Guide



1946 Company established in Kobe.
1949 Began production of marine diesel engine parts.
1957 Installed heat-treating furnace and began integrated production (machining, assembly, finishing, and heat treatment).
1963 Established Toyo Seiki Co., Ltd. at Okayama.
1965 Moved to the Okuda factory.
1972 Established Kyokuyo-Sangyo as an associated company, began contracted heat treatment service.
1980 Changed company name to Toyo Precision Co., Ltd.
Consolidate the machining and heat treatment department.
1992 Construction of main factory in Kuwano, and relocation of the machining department to the new factory.
2004 Expansion of machining department.
2007 Relocation of the heat treatment department to the main factory.
2008 Joined the Puequ Group.
2008 Purchased land for the expansion of the main factory.
2009 Expansion of the head office and main factory.
2011 ISO9001 certified.
2014 Installed 4 Head Internal Grinder (Okuma GI20N-4WS)
2014 Guaranteed Japanese Management Innovation Company
2015 Built No3 Factory
2016 Installed Angular type CNC External Grinder (SHIGIYA GAE-30B-50)