... , toughing idler rollers, power rollers.Details of the DTII rubber belt conveyor machineryUsed range: Rubber belt conveyor used in coal, mine, metallurgy,power plant, harbon, cement ... of the GB,ZB, CE, ISO. Conveyor Idler roller type: Components and belt conveyors spare parts 1. Belt(4 kinds): Canvus, nylon, steel wire ...