... stacking-type blown die, dual-lip cooling ring, IBC, Three-Layer Coextrusion Heavy Duty Blown Film Line is used for producing ... recycling and reusing, which accords with the requirements of environment protection. At present, both here and abroad, the products ... line help, production record, on-line inspection, safety protection and startup protection.Film struction: 3 layers co-extruding A/B/CSuitable ...