Founded in 1945, GISON MACHINERY CO., LTD. began manufacturing industrial Air Tools (Pneumatic Tools) in 1973.

GISON got ISO9001 certification in 1996 and CE certification in 1995.

GISON's product range covers impact and ratchet wrenches, grinders (such as die grinders and micro grinders), sanders, polishers, water feed wet abrasive tools, screw drivers, drills, hammers, chipping hammers, needle scalers, scaling hammers, pavement breakers, hydraulic riveters, knives, saws, files, cutting tools, staplers, nailers, blow guns and fasteners and other accessories of air tools.