... material and advanced equipment. 2.Mini, high-performance. 3.OEM Miniature motor gear box precision Gear box, High quality, Low price ... especially in the "high range area"13) The Installing Dimensions can be changed to fit into all servo/stepping/DC motors ... , sun gear, straight helical gear, helical gear, multi-layer gears, miniature gears, small module gear reducer, all kinds of precision gears ...