工裕精工 Company Profile

For machining in Gunma, trust Koyu Seiko. We specialize in metal processing (precision machining of metal parts) and bearings!

Kouyu Seiko is a company based in Takasaki City, Gunma Prefecture, striving to be an expert in metal processing, cutting, and precision machining, continuously challenging itself towards progress. We want to pave the way for tomorrow's Gunma with our intricate metal processing and cutting... We train diligently every day with a strong passion. Whether within Gunma Prefecture or beyond, if you are looking for precise and delicate metal processing and cutting, please trust Kouyu Seiko.