... dual-lip cooling ring, IBC, Three-Layer Coextrusion Heavy Duty Blown Film Line is used for producing tubular film. The ... , dual-lip cooling ring, IBC, bubble stabilizing device, multi-layer rotation take-off, corona treatment station, central-guide friction ... anti-slip embossing, adjustable edge-folding and forming. The line adopts automatic microcomputer control, equipped with OMRON colorful touch ...