... series concrete batching plantThe series concrete batching plant use belt conveyor to batch with two hoppers or three hoppers straight ... from 50,80,100,150,200, and 30 Tons.Screw conveyor1 Cement screw conveyer adopts sealing device .The soft connection between ... efficiencyScrew conveyorScrew conveyors for cement or fly ash.1 Cement screw conveyer adopts sealing device .The soft connection between the ...