It makes both one-side and two-side PE-film-coated paper cups after running a whole procedure of automatic Multi-step pre-printed-cup-fan-paper Feeding (Multi-step paper-feed and Anti-back device to keep the accurate position), cup-body-side welding(ultrasonic wave), robot transfer cup body, silicone-oil lubricating(for top curling), bottom-disk punching, bottom pre-heating and pre-folding, main heating, bottom knurling(cool device for 2PE), top curling, cup discharging and collecting.