List of companies
- AKATSU INDUSTRY CO., LTD.
Manufacture and sale of Screw

- Kinsei Engineering Inc.
Casting, Machining, Surface treatment, Device design, A design

- Kouwa Precision CO., LTD.
Prototype・Mold・Rare(minor)-metal

- SATTE SPRING CO., LTD.
Manufacture and sale of Spring

- Nikko Seisakusho CO., LTD.
Sheet metal stamping / Design and production of dies

- MICROTECH CO., LTD.
Cutting/Grinding/EDM

- SOWA CO., LTD.
Design and production of test equipment

- OTSUKA FACTORY CO., LTD.
Jig and Labor Saving Machinery

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- Suzuki-Industry Co.,Ltd
Blanking, Bending, Welding can manufacturing of Sheet metal

- M.TECH CO., LTD.
Processing of complex shapes with all-in-one NC lathe

- KIKUCHI SEIKI Co.,Ltd
Large machining (aerospace)

- IIJIMA Press Co.
Precision sheet metal, painting and assembly
