H-One Co.,Ltd. manufactures and sells automobile and motorcycle parts, and dies and welding equipment in Japan and internationally. The company offers automobile frames, including front bulkhead, front side frame, rear frame, pillar, and rear wheelhouse components, as well as door beams. It also provides motorcycle and power products, such as control levers, yoke rotors, and pushrods; and metal separators and 3DQ body frames. The company was formerly known as Hirata Technical Co., Ltd., and changed its name to H-One Co.,Ltd. in April 2006. H-One Co.,Ltd. was founded in 1930 and is headquartered in Saitama, Japan.