相互鋼機 Company Profile

Cutting technology that meets customer needs! We promise reliable technology and high production capacity.

Sogo Koki Co., Ltd., located in Kitagunma District, Gunma Prefecture, performs cutting processing of round bars made from carbon steel for machine structures, structural alloy steel, bearing steel, aluminum alloys, and more. With abundant equipment and years of experience, we promise fast and more accurate round bar cutting. We handle a variety of steel products, including stainless steel, high alloys, titanium, aluminum, and structural steel. We are particularly skilled in SUJ2, SCM, SC round bars, and hexagonal bars.