Sanko. 

Sanko Co., Ltd. manufactures and sells automobile, mechatronics, digital home appliances, press, office, and plastic related products in Japan. It offers press related products, including square drawing for automobile airbags, combined cold forging, precision shearing of square shafts, and ultra-precision cold forging in the mold; and hinge related products, such as small 2-axis hinges, parallel 2-axis hinges, double rotation 2-axis hinges, hollow uniaxial hinges, tilt hinges, and impact lock hinges. The company also provides mechanical related products comprising self-propelled thin operation panel for car navigation and opening and closing mechanism products; and insert molding, insulators, resin frame, and high precision resin gears. Sanko Co., Ltd. was founded in 1963 and is headquartered in Shiojiri, Japan.