... sealing is a multi-station automatic machine. It forms two-side film-coated paper cups through the procedure of automatic paper ... feeding, ultrasonic welding, top mouth lubrication, bottom punching, two times of bottom heating, bottom knurling, curling, and cup ... (mould changeable)Paper Material180-230g/m2 Single or Double side PE coated paperSpeed45-55pcs/minTotal Power220V 50HZ 4.8KW; ...