ENPLAS CORPORATION is mainly engaged in the manufacture, processing and sale of various products made of engineering plastics and composite materials. The Engineering Plastic segment manufactures and sells mechanical products used for high-precision gear-based office automation (OA) and telecommunications devices, and for magnetic and optical memory equipment, and electrical carburetor engines. The Semiconductor Equipment segment offers integrated circuit (IC) sockets. The Optical segment offers lens units, pick-up optical products for compact disc (CD)/digital versatile disc (DVD) recorders/players, and diffusing lenses for optical communication devices and light-emitting diode (LED). The Others segment engages in the research and development related to the Company's businesses. As of March 31, 2014, the Company had 21 subsidiaries.