... (vest bag), flat-opening bag, garbage bag etc. 1, This machine is suitable for cutting and sealing such materials as HDPE ... bag (vest bag), flat-opening bag ( without printing).2, The machine has photoelectric automatic control feeding device, automatic constant temperature device ... x 18003600 x 1800 x 18003700 x 2000 x 1800 High speed double lines bag making machine (with computer control)