Our strong point

Our competitive price is based on original network and overseas bases.

Mitoyo-seiko co., ltd is based in Gunma, Nagano and Fukushima prefecture in Japan. In addition, we have teamed up with companies which provide communication, digital, and automobile parts mainly located in China, Shenzhen city which is a developing country in the field of high technology and manufacturing industry. In Hong Kong as international commercial city, we have trading company and cooperate with factory in China to reduce production cost. Our competitive price is based on original network and overseas bases.

Total support your request by more than 300 subcontractors.

You can request and order all machining process such as pressing, machining, heading, forging, spring, NC forming, resin molding, welding, swaging, surface treatment and assembly.
In addition, we can provide all in-one service from trail manufacturing to mass production such as machining, laser etching, casting, resin molding and sheet metal processing. We would inspect if there are any problems for mass production during trial manufacturing period.
Total support your request by more than 300 subcontractors.

Obtained ISO9001 and ISO14001 certification to improve quality and contribute to environment.

Mitoyo-seiko co., ltd focuses on not only improvement of technology but also improvement of quality and protect in the environment. We obtained ISO9001 and ISO14001 certification and aim to the company which can contribute to the society as global company in the 21st century. Obtained ISO9001 and ISO14001 certification. To improve quality and contribute to environment.