... linear low . Three-layer Coextruded(rotating Haul-off)Water-cool Blown Film Lines Performance and Characteristics: It is ... surface gear box, with auto oil pump, and water cooling.There are two die heads, one air ... : remember length equipment, length cutting equipment, cooling water discharge, nip rolls, etc.three layers co-extrusion ... Three-layer Coextruded(rotating Haul-off)Water-cool Blown Film Lines