Hephaist Co., Ltd. engages in the manufacture and sale of precision equipment such as linear motion mechanisms, specializing in linear motion bearings and linear bush. It operates through the following divisions: Linear Motion Equipment, Precision Parts Processing, and Unit Products. The Linear Motion Equipment division offers linear and stroke bushes, splines, circular arc roller guides, and spherical rolling joints. The Precision Parts Processing division handles racing and prototype parts for consignment processing. The Unit Products division handles the development of precision processing technology in precision and drive machines. The company was founded on July 19, 1962 and is headquartered in Kawagoe, Japan.