Toshin Co., Ltd. is a metal cutting and machining company based in Toyonaka, Osaka, specializing in large components for industrial machinery. The firm produces parts such as production-line components, welded frames, long-length members, chambers and plates, applying over six decades of accumulated skills and the expertise of long-tenured machinists. It combines modern CNC equipment with CAD/CAM-integrated systems to deliver high-precision machining for large workpieces and difficult-to-machine materials.