That machine is laminate PE Film, BOPP ,OPP,Paper on the PP Woven Bag This machine has been awarded many patents: 99201634.7, 99247820.0.This machine breaks the former shortcoming of only using expensive special coating plastics for film instead, it use common polypropylene power material plus a little polyethylene. Under the molten state, it has a peculiar gluey function to daub film between ...