Leave it to us for ultra-precision machining, from prototype development to small lot production!

We provide ultra-precision machining that caters to the aerospace field, including satellites. Achieving short delivery times from design to manufacturing! Total support from proposals to aftercare.

At Harada Seiki, we design, develop, and manufacture precision parts for automobiles, motorcycles, outboard motors, aircraft, artificial satellites, and also support the prototyping and supply of competition vehicles. - Cylinder head - Cylinder block - Crankcase - Crank - Connecting rod - Seat, guide, valve - Gears and more We also collaborate with nearby manufacturers to handle external processes such as heat treatment and high-precision polishing. As long as we receive the drawings, we will take responsibility for consistent manufacturing up to completion. We can process a wide range of materials, from total cutting of iron, non-ferrous, and difficult-to-cut materials to cast aluminum and cast iron products, regardless of whether they are box-shaped or lathe-turned. We are a friendly town factory. Please feel free to consult us about additional processing, welding, assembly, and more. 【Business Activities】 ■ Design, development, and manufacturing of precision parts for automobiles, motorcycles, outboard motors, aircraft, artificial satellites, etc. ■ Support for prototyping and supply of competition vehicles ■ Support for design and manufacturing ■ Modeling during new product development ■ Generation of NC data *For more details, please refer to the related links or feel free to contact us.

Contract manufacturing