mono screw extruder 1.be used to produce sheet,board,profile,pipe of pvc,pet,pet. 2.economical prices. 3.high output. mono screw extruderMain Technical ... ,such as Schneider, Yaskawa,Simens,Omron, ABS, etc...---Material of screw and barrel: 38CrMoAlA Azotizing on surface 0.40.7mmRigidity: above ... abroad---Steady function and long-time life , easy to handle mono screw extruder