Luoyang Heavy-Duty Bearing Co., ltd was established in 1992. We are located in Luoyang – one of the bearing bases in China. We are specialized in producing various kinds of large and extra-large size slewing bearings. Our production range covers the outside diameter from 300mm to 6300mm. Products types: 4 point contact ball slewing bearing Double-row ball slewing bearing Double-row roller slewing bearing Crossed cylindrical roller slewing bearing Crossed taper roller slewing bearing Three-row cylindrical roller slewing bearing Ball and cylindrical roller combination slewing bearing Production Capacity: We have the strong production capacity, such as 6m CNC vertical machine, 5m, 3.5m, 2.5m vertical machines, 4m gear shaper, drilling machines, grinding machines etc. Please ask us fo the equipment list. Also, we are equipped with a lot of experienced professor engineers and skilled workers; moreover, the strict quality control is fulfilled for every shipment.