... 4.Hot machines for small pack Auto Backside sealing Food Packing Machine Technical characteristics: 1.Advance design idea,operation simple. ... adjustment speed,sealing knife open automatic when close machine,save material. 4.Bag-making,filling,measuring,sealing,printing,product convey in one ... materialOPP/CPP,OPP/CE,PET/PE (etc complex film) Bag-making size50-200(L)×40-150(W)mm Packing speed10-80bags ...