... machine. It forms two-side film -coated paper cup through the procedure of automatic paper feeding, ultrasonic welding, top mouth lubrication, ... bottom heating, bottom knurling, curling, and cup discharging.Specifications: Paper Cup Sizes2, 3,4,5,6.5,8,9,10 ... ,18 OZ or othersizes Row materialSingle side (one side) PE(polyethylene) film coated paperSuitable paper weight150--380 gsmSpeed of making paper ...