Ball Screw, Lead Screw, Linear Guide manufacturer / supplier in China, offering Tbi Ball Screw Nut Pair with Ball Screw Bearing Diameter 25-80 CNC Machine Tool Precision Accessories, High Precision Large Lead Quiet Grinding Ball Screw for CNC Machine Tool Accessories, Factory Custom Wholesale or Retail 5010 CNC Precision Grinding Double Nut Ball Screw and so on.