... slewing ring, such as tower cranes, excavators, cranes, and other kinds of construction crane, ... equipment for heavy equipment, to bear the load of slewing ring. Three-row roller slewing ... reputationWe are professional manufacturer of slewing bearings, slewing drive,turntableHas passed the ISO 9001- ... Wind turbine, the port's maritime cranes, marine cranes, mobilecranes, ferris wheel, heap reclaimer ...