SANNO Co., Ltd., together with its subsidiaries, engages in mold manufacturing and precious metal surface treatment activities in Japan and the Philippines. It is also involved in the precision press processing of electronic components, such as connectors and switches. The company's services have applications in PC related products, mobile handsets, digital appliances, electronic cards, semiconductor facilities, gaming devices, automobile devices, and other devices. It primarily serves connector manufacturers. The company was founded in 1958 and is headquartered in Yokohama, Japan.