... In this factory, there are six workshops with the machines such as, the multilayer extruders, 12-color computer- ... high speed laminator, heat seal machines, cold cutting and heat cutting machines, slitting machines, interim sealing machine...and some other machines also the handcraft ... or hanger hole5) Styles available: stand up, zipped, heat-sealed, heat-cut, cold-cut, blown, sealed-in the-middle, ...