Established in Tokyo, Japan, in 1927, Riken Corporation operates as a global manufacturer and distributor of a diverse array of automotive and industrial components. The company's comprehensive automotive offerings encompass essential parts such as piston rings; various engine components, including camshafts, pistons, valve lifters, and crankshafts; transmission elements like seal rings and differential cases; and drive and chassis parts such as steering knuckles and brake calipers. They also specialize in manufacturing vanes for air compressors and power steering systems, along with components for air conditioning systems. Expanding beyond vehicles, Riken produces a wide range of marine and industrial parts. This includes engine components for diverse applications like aircraft, agricultural machinery, and construction equipment, prominently featuring large-scale piston rings for marine engines. Their industrial segment also covers general construction and agricultural machinery components, alongside compressor parts such as vanes, housings, and cylinders. Furthermore, Riken Corporation supplies piping products, specialized aerospace industrial equipment parts, and advanced thermal engineering solutions. This latter category includes a variety of industrial furnaces, such as hydrogen gas heating, magnetic field heat treatment, vacuum, and continuous ceramic sintering furnaces. The company also offers electromagnetic compatibility (EMC) products, fabricating anechoic chambers and shield rooms.