conveyor drum pulley 1.Size:depends on the belt width 2.Used in mining,cement,steel,harbor ... ,etc 3.Standard:ISO,CEMA,DIN,JIS conveyor drum pulleyThis type ... .The more relaxed payment termsDetailed conveyor steel drum feature: 1.Steel pulley's size depends on the ... the customers' requirements, which are used in the steel industry, harbor, coal industry, power industry, cement ...