Corporate Philosophy and Business Mission

We support manufacturing worldwide with our three pillars: high quality, reasonable prices, and short delivery times.

In-house processing, from material processing to heat treatment that achieves low cost and short delivery times.

A-One Seimitsu Inc. specializes in precision machining of collet chucks, guide bushes, cutting tools, cams and other products, and is committed to thorough technology consolidation.
In addition to producing highly precise existing products, we have also created new tools based on user requests, bringing innovation to the market.

A variety of applied fields and technology evolution

We manufacture tools that can be used in a wide range of fields, from everyday products to automobiles, aerospace and high-speed rail. We do not specialize in specific uses, but have an order system for semi-ordered products and new designs, and have the technical capability to meet the needs of our customers.

Career development and growth support

We focus on introducing equipment, developing human resources, and improving skills.
We have established a system to respond to an expanding market for small and precise parts, and provide a friendly working environment for individuals.

Message to applicants

"Not just doing the work, but creating value with your own skills"
"Support the future of manufacturing with technology that is one step ahead"
We welcome those with such aspirations.

Job type, workplace, benefits
  • Job recruitment:   Small automatic lathe collet chuck and guide bush manufacturing staff
          Cutting tool polishing staff and cutting tool manufacturing staff
          Sales positions and Sales assistant positions (language skills welcome)
          〇   No experience or education required, new graduates and experienced individuals welcome
  • Employment site:   Yamanashi factory, Nirasaki-shi, Yamanashi-ken (Commuting by car permitted for Yamanashi factory staff only)
  • Benefits/holidays:   Bonuses twice a year, two days off per week (working on Saturdays permitted according to the company calendar), other benefits
          Other benefits
Our future is created by you and A-One Seimitsu Inc.

A-One Seimitsu Inc. has built a proprietary technology base and trust among its clients since its founding in 1970.
We will continue to shape the future of the manufacturing industry through high quality × speed × innovation, and your potential and contribution are essential.
Let’s take “technology” and the “craftsman’s spirit” to the next stage. We look forward to working with you to create the future together!