- Straight Tube Axle Sleeve with Oil Groove
- Axle Sleeve with Convex-stage and Keyway
- Tungsten Carbide Straight Tube Axle Sleeves
- Water Nozzles Hole Jacket of PDC Drilling Bits
- Plum Blossom Teeth Type Thread Nozzles
- Internal Hexagonal Thread Nozzles
- Outer Hexagonal Thread Nozzle
- Cross Groove Thread Nozzles
- Y Type (three grooves) thread nozzles