... material and advanced equipment. 2.Mini, high-performance. 3.OEM Mechanical GearboxHigh quality, Low price; Any motors; Free Customize; Broad ... .HENGKO LTD is specialized in manufacturing all kinds of mechanical equipments and components,include various kinds of gears and ... helical gear, helical gear, multi-layer gears, miniature gears, small module gear reducer, all kinds of precision gears.HENGKO has ...