

ohnoseiki.com
Ohno Seiki is a precision metal machining specialist based in Ota City, Tokyo. The company provides one-stop manufacturing services including raw material procurement, precision cutting, heat treatment, and surface finishing for small to medium-lot production. Their technical expertise encompasses lathe turning, milling, and wire electrical discharge machining, supported by in-house design of custom jigs and specialized cutting tools. The company is recognized for developing proprietary tooling solutions such as the Kamechuck hexagonal soft jaw system and various paint removal tools. Serving diverse sectors, they emphasize short lead times, high accuracy, and integrated project management from prototyping to final assembly.






