... cement,harbor industrial heavy duty rollers Introduction to our company:Products we can manufacture:Conveyor Roller Character: Roller TypeCarrying,Impact,Return,Friction, ... hdpe, uhmw-peUsageUsed in coal,mine,steel,cement,harbor,crusher heavy industryRoller FeatureLow vibration, low noiseReduced power consumption (to start ... Factory Photos:Our products used in the world industrial heavy duty rollers