Aisan Industry Co., Ltd. develops and produces a diverse range of automotive components for markets across Japan and internationally. The company delivers essential parts for conventional internal combustion engines, including fuel pumps, advanced fuel pump modules, throttle bodies, exhaust gas recirculation (EGR) valves, intake manifolds, crankcase ventilation valves, charcoal canisters, and various engine valves. Expanding its offerings, Aisan also supplies specialized systems for motorcycles, such as FI systems, along with lightweight titanium alloy engine valves and charcoal canisters. Furthermore, in anticipation of future mobility, the company is actively involved in clean energy solutions, manufacturing hydrogen supply units and air valves for fuel cell electric vehicles, electric water pumps for electric vehicles, and gas fuel systems compatible with LPG and CNG. Aisan is also working on ammonia hydrogen generators. The company, established in 1938, maintains its corporate headquarters in Obu, Japan. It has recently expanded its capabilities through strategic acquisitions, including Magnex Co., Ltd., for fuel cell components in 2023, and Triace, a specialist in carbon components for vehicle motors, in November 2025. A new facility in Thailand began construction in July 2024, and the upcoming Aisan Mirai Plant in Japan is slated to produce hydrogen and electrification products with carbon-neutral designs by fiscal year 2026.