Nakamura Choukou Co., Ltd. is a holding company that engages in the design, manufacture, and sale of electronic material slice peripherals, special precision equipment, and spinning nozzles for chemical fibers. It operates through the following segments: Electronic Material Slice Peripheral, Special Precision Equipment, Chemical Fiber Spinning Nozzle, and Other. The Electronic Material Slice Peripheral segment produces diamond wires for slicing silicon wafers for solar cells. The Special Precision Equipment segment manufactures and processes special precision parts with wear-resistant materials, micro-reactors, nozzles for mounting machines, and cleaning equipment. The Chemical Fiber Spinning Nozzle segment manufactures various types of nozzles for synthetic fibers and the chemical industry, as well as precision accessories, nonwoven fiber devices, and precision devices. The Other segment includes research and development for new businesses. The company was founded by Shige Nakamura in October 1954 and is headquartered in Sakai, Japan.