Nitto Kohki Co., Ltd. develops, manufactures, and sells connecting fluid couplings, labor-saving machine tools, and linear motor driven free piston pumps and other pumps for various applications. It offers power and machine tools for boring, cutting, grinding, and scaling of steel materials; electric screwdrivers for assembling electronic devices, such as PCs, smartphones, printers, and automotive components; and blowers. In addition, the company provides pumps and compressors for various fields, including medical, research, food, and electronic manufacturing industries; and door closers for medical facilities, offices, and transportation equipment. It operates in Japan, the Americas, Europe, East Asia, Southeast Asia, and Asia and Oceania. The company was incorporated in 1951 and is headquartered in Tokyo, Japan.