Yantai Haoyang Machinery Co., Ltd is mainly engaged in production and sales of slewing bearings and ring forgings. The rolling element pitch circle diameter of slewing bearing ranges from 200mm to 3150mm.

Haoyang offers various slewing bearings as below:
Single-row ball slewing bearing　　
Single-row crossed roller slewing bearing　　
Double-row ball slewing bearing　　
Triple row roller slewing bearing　　
Ball & roller combination slewing bearing
Light type profile bearings