... -WB type double sides PE coated paper cup machine adds an ultrasonic system to sealing the paper cup ... body than single PE coated paper cup machine. The ultrasonic system resolve the problem that double ... raw materials.Main Technical Data:Paper Cup Sizes: 3,4,5,6.5,8,9,10.5,12OZ ... paper thickness),Note:We can make the paper cup machine suitable for your requirement.Finished Products' Usage:Double ...