Polished rods

The polished rods are used to connect sucker rod and pump unite.

The spray welding polished rod adopts the sucker rod pump plunger manufacturing process, and sprays the alloy powder on the surface of the rod body to improve the surface hardness of the rod body and enhance the wear resistance and corrosion resistance of the rod body. The service life of polished rod can be greatly increased when used in corrosive and sand-bearing oil Wells.