“Zero Friction, Total Reliability”






We supply full export documents (material certificates, NDT reports, final inspection reports) to meet strict acceptance requirements from mining end users and OEM clients. Custom OEM drawings are welcomed, minimizing equipment downtime.
Chaoyang Runxing Heavy Machinery specializes in centrifugal cast Babbitt lined bearing shells and plain bushes for heavy-duty mining, metallurgy, cement and pump equipment. Our main products include gear shaft bearings, crusher bearings, ball mill bearings and large pump bushes, exported to CIS, Central Asia, Europe and America.
We own an independent QC laboratory with complete in-house testing capacity, complying with ISO 4386, GB/T 12948 and other international standards. Full test reports in English are available for export orders:
√ Visual & Dimensional
ID/OD, wall thickness, Babbitt layer thickness, roundness, concentricity, surface roughness, joint gap measurement.
√Non-Destructive Testing
UT Ultrasonic Testing, PT Penetrant Testing (surface cracks), MT Magnetic Particle Testing.
√ Metallurgical & Chemical
Optical spectrum chemical analysis, Brinell hardness test, metallographic examination, bonding strength test.
√ Performance Tests
Oil distribution test, friction & wear test, bearing bench load test for reliable heavy-load operation.
Company’s main products include large gears, gear liners, large bearings, large bearing housing bushing, etc.
Mainly used for cement, mining, metallurgy, power equipment, including ball mills, dryers, mixers, crushers, rotary kilns, and the petrochemical industry.