Bearings, Ball Bearing, Roller Bearing manufacturer / supplier in China, offering High Precision CNC Machine Left and Right Hand Roller Thread Ball Screw with 2PCS Ball Screw Nut, High Speed Precision X/Y/Z Axis Round/Rolled Ground Actuators Nut Ball Screw for CNC Machine Equipment, High Precision Ballscrew Dfu4010 Dfu5010 Dfu6310 Dfu6320 for Durable and Reliable Use and so on.