... winder HD/LDPE Film Blowing Machine body is channel steel frame traction frequency friction. SJ-A Series Semi-Auto winder HD/LDPE Film Blowing Machine The machinge ... Technical Variables: ModelSJ-A45SJ-A50SJ-A55SJ-A65Suitable MaterialLDPE,HDPE,LLDPELDPE,HDPE,LLDPELDPE,HDPE,LLDPELDPE,HDPE,LLDPEScrew Diameter 45505565Film Width(mm)100-500300-600 400 ...