Tanaka Seimitsu Kogyo Co., Ltd. engages in the manufacture and sale of automobile and motorcycle parts. Its products include VTEC rocker arm ASSY, synchronizer ring and spring, piston pin, VEZEL, N-BOX, valve spring retainer, shaft, and clutch cam plate COMP. It operates through the following geographical segments: Japan, United States, Thailand, India, and Vietnam. The company was founded by Giichiro Tanaka on March 1, 1948 and is headquartered in Toyama, Japan.