upg-700 machine is bottom sealing perforation bag machine. Machine has two times triangle V-fold units, and film can be fold one time or two times. The best thing is that the position of triangle fold can be adjusted. Machine design for sealing and perforating first, then fold and rewinding in the last. Double times V-folds will make film smaller and bottom sealing. Terms of Payment 30% deposit by T/T when confirming the order. 70% balance by T/T before shipping. Or irrevocable L/C at sight. Warranty: 12 months after B/L date.