Aisan Industry Co., Ltd., a key member of the Toyota Group, is a leading Japanese Tier 1 supplier specializing in engine and fuel system components. Its OEM products include fuel delivery modules, throttle bodies, EGR valves, and evaporative emission control systems, which are essential for vehicle performance and emissions compliance. Aisan plays a vital role in Japan’s automotive industry by supplying major automakers, especially Toyota, with high-precision, environmentally focused technologies. The company is also advancing into next-generation mobility, developing components for hydrogen and ammonia fuel systems. Through collaborations with firms like DENSO, Aisan is aligning with Japan’s carbon-neutral goals.