... :steel,rubber,plastic,nylon,hdpe 2.used in coal,mine,steel,cement,harbor mine heavy conveyor roller Introduction to our company:Products ... , stainless steel,nylon,plastic,ceramic,hdpe, uhmw-peUsageUsed in coal,mine,steel,cement,harbor,crusher heavy industryRoller FeatureLow vibration, low noiseReduced ... Components:Our Factory Photos:Our products used in the world mine heavy conveyor roller