ʻO kēia square (flat) lalo zipper bag making machine, synchronization with tension control system, i loaʻa iā PLC auto tuning, e holo ana a me ka mana ma lalo o nā ʻano loiloi a me nā ʻōnaehana hōʻoia hewa, ʻo ia kahi mea pono no ka hana ʻana i ka pahu pahu pahu pahu pahu, e nā substrates e like me ʻilika/pepa, pepa/pepa, pepa/pepa laminated mea