1) plastic zipper bags making machine 2) width: 50mm-600mm 3) length: 50mm-400mm 4) accurately ... and batch etc.to make the bag automaticlly,also the machine is with photocell, automatic material feeding device,automatic constant temperature ... easy operation, stable performance and with high producing speed.Specification: Model No.ZIP-LP500ZIP-LP600MaterialLDPELDPESpeed of bag making50~120 (pcs/min ...