Nittoseiko. 

Nittoseiko Co.,Ltd. manufactures and sells screws, automated assembly systems, and inspection equipment in Japan and internationally. It provides various types of screw products, such as precision and loose-proof screws, cold forged parts, screw manufacturing tools, metal and plastic fastening screws, drive recesses, heads, bearing points, surface treatment products, and other metal parts. The company manufactures screw driving motors, handheld type screw drivers, single spindle and multi spindle screw driving machines, screw driving robots, screw feeders, caulking machines, assembly robots, and conveyors. It also offers flow meters, receivers/converters, micro-bubble washers, products for marine and batch applications, machines for SWS and SDS tests, and inspection systems, well as measuring and instrumentation systems. The company was founded in 1938 and is headquartered in Kyoto, Japan.