LYXQL Slewing bearings are widely used in construction machinery, such as Excavators, truck cranes, tower cranes, large crawler cranes, etc. LYXQL mainly produces large slewing ring bearings for large crawler cranes. We are supplying 700 tons, 800 tons, 1250 tons and other large crawler crane slewing bearing for internationally renowned construction machinery leading enterprises, such as SANY, LIUGONG