Oota Seimitsu

otaseimitsu.com

Oota Seimitsu provides precision machining focused on general-purpose milling machines and machining centers. The company handles one-off prototypes and small-lot production of precision parts, using custom tooling and fixtures to meet short lead times and high accuracy requirements. It also offers consulting on prototype processing and coordinates necessary outsourcing to deliver one-stop production support. The business emphasizes close communication with clients to share and solve manufacturing challenges.

Shinki Laser Co., Ltd.

www.lastec.co.jp

Shinki Laser Co., Ltd. specializes in laser processing, including cutting and welding, as well as bending and sheet-metal fabrication. The company handles welded assemblies and formed metal parts for industrial applications. Operations are based in Toyohashi, Aichi Prefecture, Japan.

OHBA SEIKEN Co., Ltd.

www.ohba-seiken.co.jp

OHBA SEIKEN Co., Ltd. manufactures precision components for industrial robots, automotive applications, and industrial machinery. The company performs grinding, cutting, electrical discharge machining (EDM), assembly, and measurement operations and also produces tools in-house. It is based in Toyohashi, Aichi, Japan.

The company specializes in NC lathe (CNC turning) machining and precision parts production. It has a track record of machining approximately 15 rocket engine components and is recognized by the Japan Aerospace Exploration Agency (JAXA). The firm provides precision machining services for aerospace and related industries and maintains expertise in NC turning processes and workflow planning.

Musashi Seimitsu Industry Co., Ltd.

www.musashi.co.jp

Musashi Seimitsu Industry develops technologies and solutions for the energy and mobility sectors. The company pursues original technology development and works to realize customer requirements in products and services that support a sustainable society. It emphasizes innovation and sustainability and seeks to apply engineering expertise to align human activity with environmental considerations.

Master Line株式会社

master-line2021.jp

Master Line株式会社 is a manufacturing company in Toyohashi specializing in equipment assembly, machine maintenance, welding, metal machining, and product design. The company uses NC lathes, milling machines, and drill presses to produce parts for automotive and industrial machinery. Operations emphasize precision and efficiency, requiring manual dexterity, patience, and concentration from staff. Master Line recruits full-time employees and provides bonuses, allowances, and social insurance to support stable employment.

Sasano Co., Ltd.

sasano-pla.com

Sasano Co., Ltd. specializes in plastic (resin) processing and precision finishing. The company operates machining centers and lathes to produce a wide range of shaped plastic components. It also provides proprietary centerless polishing technology to minimize surface roughness and can handle both fine small parts and long workpieces for grinding and polishing.

Tesshin Co., Ltd.

www.tesshin.jp

Tesshin Co., Ltd. is a machining shop based in Toyohashi, Aichi Prefecture. The company specializes in turning work, particularly using CNC multi-tasking lathes, and produces parts with an emphasis on quality and precision. It accepts one-off and small-lot orders as well as short-lead-time and difficult-to-machine jobs, and can coordinate with partner factories for large or mass-production work. Individual customers are also served.

Hayashi Seiki Co., Ltd. is a precision machining company based in Toyohashi, Aichi Prefecture, Japan, specializing in high-accuracy NC/MC cutting and 5‑axis machining for complex parts. The company focuses on automotive components and supports work from prototyping through volume production, including small-lot and multi-variant runs. It also designs and manufactures machining jigs and fixtures and maintains a strong emphasis on short lead times and consistent quality management.