Enplas Corp. engages in the manufacturing and sale of precision parts and engineering products. It operates through the following segments: Engineering Plastics, Semiconductor Peripherals, and Plastic Optics. The Engineering Plastics segment covers office automation, information and telecommunications, audio-visual equipment, instruments, housing equipment, automobile equipment, and bio-related products. The Semiconductor Peripherals segment provides integrated circuit (IC) test and burn-in sockets. The Plastic Optics segment handles optical communication device and diffusion lens for light emitting diodes (LED). The company was founded on February 21, 1962 and is headquartered in Kawaguchi, Japan.