XPS single screw Advanced Nitriding Technology ,Anti-corrosion and special alloy powders being sprayed

1.Advanced Nitriding Technology

2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy

3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods  for the screw of different functions.

4.Fast and on time delivery .

5.Longer lifetime for the screw barrel.