... use life,stainless steel 3.multi-usage,save enery 4.ISO Machine name :Pneumatic Elevator MachineUse:This ... is 300kg/h.Feature:1.Operating principle This machine contain two parts ,the one is movable type ... pneumatic thory ,so easy operation ,movable convenience ,multi-usage,time and labor saving . Note:When use the ... line :If you are interested in any one of them ,please contact me freely .Contact person ...