... the waterproof, dustproof system3.Water cooling constant torque spindle with the imported bearing, high power, low ... line sliding track, heavy loading, stable working, high precision, long lifetime .2. Whole seamless weld steel ... spindle.Different working size:600X800mm/600X1500mm/900X1500mm/1200x1200mm/1200x1500mm/1200x1800mm/1200x2400mm/1500x3000mm or other sizes according to customers High precision ...