RUIAN HAOXING MACHINERY CO.,LTD is a professional manufacturer which is specialized in full automatic envelope making machine series, full automatic cardboard window patching machine series for 12 years. Our productions include: full automatic pocket envelope making machine, full automatic wallet-pocket envelope making machine, full automatic express envelope making machine, full automatic envelope remoistenable gumming machine, full automatic envelope pressure-sensitive gumming machine, full automatic window patching machine for cardboard, full automatic window patching machine for envelope and raw material. Since the company was found, production is better and better, and has been certified to ISO9001:2008 and European CE certification one by one. At the same time, our service keeps good. We promise 24 hours reply service hotline, 360 days warranty time. As the TOP manufacturer on envelope making machine and window patching machine in china, the good quality is our life, The