1.used for many vehicles 2.Material:CGr15 3.Noise level:Z1 Z2 Z3 Z4 4.Automobile bearing making experience QC ISO quality system certification are guaranteed to wipeaway your trouble. 2)Products process: advanced producing equipment,inspection equipment and goodcontrol system to keep the product produce smoothly. 3)Quality guaranty: product quality assurance period is one year or 50,000 KM for ...