Model ZF-600B full-automatic envelope making machine is suitable for producing Chinese style envelope,whose size is less than 400mm*520mm.At the same time,it can apply water base pressure sensitive adhesive on envelope cover flap and stick a piece of silicone paper on it.It uses servo control ,which can adjust the length of the gluing and release paper.It has the characteristic of sability,precision and high efficency.It's the pefect equipment for producing peal and seal pocket envelope.