Mitsubishi Heavy Industries Machine Tool Co., Ltd. traces its origins to 1928 in Japan, though its parent company Mitsubishi Heavy Industries was founded in 1884. The company specializes in gear cutting machines, precision cutting tools, and plastic processing machinery. Its product lines include hobbing machines, shaving machines, grinding machines, and large-scale machining centers.

The company serves automotive, aerospace, construction machinery, wind power, and industrial equipment manufacturing sectors. Its most recognized machine series include the GE series hobbing machines, the ZE series gear grinding machines, and the MVR series vertical machining centers. The ST series gear shapers and FG series gear grinders are also widely deployed in high-volume production environments.