Musashi Seimitsu Industry Co., Ltd. engages in the manufacture and sale of transportation equipment such as vehicle engines, suspension, and steering parts. It operates through the following divisions: Power Train, Linkage and Suspension (L&S), and Two Wheels. The Power Train division includes transmission gears, differential and planetary assemblies, and camshafts. The Linkage and Suspension division covers ball joints and important security parts. The Two Wheels division includes kick starters, transmission gear, and camshaft for motorcycles, general purpose. The company was founded was founded by Miharu Otsuka in April 1938 and is headquartered in Toyohashi, Japan.