Sponges are useful in many ways. Do you know how wavy sponges are made? Of course, it is processed by automatic wave sponge pressing machine. This machine mainly cuts two pieces of concave and convex corresponding products by tooth pressing roller. A multi-purpose machine, egg groove pattern is full and shaped, widely used in electronic packaging, heat insulation, sound insulation, non-slip, sound absorption, heat preservation and other uses! Embossing machine preferred Dongguan platinum sharpening machine, so that you press cotton to save worry and effort!