TOKYO KOKI Co. Ltd.

Tokyo Koki Co. Ltd. manufactures and sells testing machines and measuring instruments in Japan. It operates through two segments: Construction Business and Engineering Business. The company offers static tension, compression, bending, and fatigue tests for various materials, as well as structural and performance testing machines and contract testing services. It also produces locking nuts, springs, special springs, bolts, and other fastening equipment, and provides engineering products, maintenance and repair services for testing machines, and construction materials. Founded in 1923, it is headquartered in Sagamihara, Japan.