luoyang jiawei bearing manufacture co ., ltd . is a professional slewing bearing manufacturer (diameters from 500mm to 5,500mm ) , specializing in the design , manufacture and sale of slewing bearings , heavy and large bearings , special used bearings , and non-standard bearings . our products always on a advanced level in the fileds of slewing bearing and special used bearing . slewing products series : four-point contact ball slewing bearings double-row angular contact ball slewing bearings crossed cylindrical roller slewing bearings three-row roller slewing bearing ball and roller combination slewing bearings ball / roller bearing application : widely used in mining , metallurgy , , chemical industry ，constrction machinery , wind power , port machinery , aerospace or some other fields.

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