This mini type machine is to make the film for shopping bag,shopping bag,clothing ... 1.It is used for blowing the plastic film of low density polyethylene(LDPE), high density polythylene ... bag,garbage bag and agriculture covering film etcSpecification:Model No.SJ-M50Screw Diameter50mmScrew Ratio(L/D)28: ... mm)3500x2200x3300mm Remark:We also have wider width machine,if you have interest,please feel free to ...