... on the sheet film,composite film plastic bags,aluminum plastic and paper etc. Composite soft packing bags .The pached goods should be ... ,such as the OK-PT, PE, OPP, CPP, aluminum foil and paper.etc.D. Be easy to change the type . … … The special ... , KT, OPP, aluminum foil , plastic bag and drink bottle and kinds of plastic composite film and the paper ,leather ,cloth, packing container ,packing bag ...