... film is usd in packing food, hardware Economic,stable,safeUSEThis machine uses LDPE and LLDPE to produce casting stretch film, ... for building material, auto parts, hardware parts etc. FEATURETR-50 stretch film co-extruder with following features: low noise, stable ... running, especially winding part is controlled by PLC program. The machine is equipped with extruder, traction part, leveling part, edge ...