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We support all kinds of metal parts processing
Comprehensive support from casting to secondary processing

Suwa Nichiai Seiko specializes in a wide range of metal parts processing, including secondary processing of castings and die castings, such as die casting and casting, as well as NC lathe processing, milling, machining, surface grinding, cylindrical grinding, and internal grinding.
We have a wide range of metalworking equipment and many experienced craftspeople on staff, so we are able to meet a variety of needs. We welcome requests for mass production, as well as requests for prototypes and small-lot production. We will do our best to meet your needs by making full use of our advanced technology and know-how, so please feel free to contact us.
Processing classification table
Machining | General-purpose lathe processing, NC lathe processing, NC processing, machining processing, tapping processing, surface grinding processing, cylindrical grinding processing, etc. |
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Casting | Secondary processing of aluminum castings and die castings |
Other | Precision machinery parts, jig production |



Thorough inspection and quality control systems

At Suwa Nichiai Seiko, we have a thorough inspection and quality control systems in place. We are committed to high-quality processing of metal parts, and we ensure thorough quality control for both prototypes and small-lot production.
We have also introduced 3D measuring instruments and state-of-the-art CAD/CAM systems to achieve accurate processing, and we accurately convey the data from the drawings to the processing equipment to perform high-precision processing.