The 3F SHG/SHF series harmonic drive gearbox are widely used in fields of robot, metal working machine, processing machine, printing, bookbinding and paper, semiconductor manufacturing systems, measurement, analytical and test systems, medical equipment, optical machine, wood, light metal and plastic machine tool, paper-making machine, crating and packaging machines, flat panel display manufacturing system, communication equipment, printed circuit board manufacturing machine, humanoid robot, telescope, energy, space equipment, aircraft, glass and ceramic manufacturing system, etc.