1.Use of high-strength low-alloy material in crucial components.

2.Shot-peened lock ring groove and other high stress areas

3.Use of seamless rolled rings and forgings to fabricate critical sections and component

4.Machined lock ring grooves and mating component surfaces.

5.Machined o-ring grooves.

6.State-of-the-art computer monitoring of flash butt welds.

7.X-ray,ultrasonic inspection or Phase Array examination of circumferential weld joints.

8.Stress Relieving.

9.Superior corrosion resistance and appearance.

10.Finite element analysis on rims.

11.We have got Certificate of invention patent & Certificate of Utility Model Patent for Lock Ring Roller Machine,also Certificate of Design patent for Lock Ring from State Intellectual Property Office of the People’s Republic of China .