J-MAX Co., Ltd. engages in the manufacture and sale of automobile body press tools, precision parts, and various dies. It operates through the following segments: Marujun, Thailand, Guangzhou, and Wuhan. The Marujun segment produces car body press parts, press molds, welding jigs, and inspection equipment. The Thailand, Guangzhou, and Wuhan segments supply press parts and equipment. The company was founded by Yorio Imagawa on July 1, 1952 and is headquartered in Ogaki, Japan.