Daqiao brand D51 ring rolling machine is our company main product, which is mainly used for bearing inner and outer rings, roller races for automotive and chemical piping industry. This machine can roll the bearing race, gear blank, pipe flange, copper and aluminum ring to circular shape as per customers' requirement at one time. The ring rolling machine has high production efficiency, that raises precision of blanks, reduces cutting amount and raises utilization ratio of steel material. It also improves cutting efficiency, raises internal quality of forged pieces. Generally it can bring good economic benefits for customers.