Muto Seiko Co. engages in the manufacture and sale of plastic molds, plastic precision parts, printed circuit boards, and precision press parts. Its operations are carried out through the following segments: Plastic Molds Business, Precision Press Parts Business, and Printed Circuit Board Business. The Plastic Molds Business segment includes manufacture and sale of plastic molds and plastic precision parts; design works; and technical support services. The Precision Parts Business segment includes the manufacture and sale of precision press parts of audio and video equipment, optical equipment, and computer-related equipment. The Printed Circuit Board Business segment includes the design, inspection, and sale of printed circuit boards. The company was founded on June 10, 1956 and is headquartered in Kakamigahara, Japan.