CNC Spindle Motor, Square Spindle, Air Cooling Spindle manufacturer / supplier in China, offering 12000-60000rpm High Speed Water Cooling Grinding Spindle for Metal CNC Engraving Machine, High Speed 5.5kw Bt30 Atc Watercooling Spindle for Metal for CNC Router (120TD18Z5.5), 350W 12000rpm Sealing Side Spindle for CNC Router and so on.