... ; 3.long life-span; 4.compact structure. Planetary Gear boxes(gearbox)Gear box are widely used in machine tools, textile machinery, ... is specialized in manufacturing mini AC gear motors. At present, ourmain products are: gear motors, three phase motors, speed ... control motors, brakemotors, damping motors, torque motors, and DC gear motors. They are widely usedin machine tools, textile machinery, ...