ZF-350 Large Chinese Envelope Machine Many of its structures adopt the foreign advanced technology,Based on ZF-250A, ZF-128, ZF-150-type envelope machine equipment developed on the new generation of large-size envelope processing, which combines automatic indentation, automatic folding, automatic counting in a closed envelope, the machine is particularly suitable 1-10 processing Chinese Chinese standard envelopes and similar bags, compared with other similar devices, the structure is more reasonable and faster speeds, higher productivity, lower loss, conditioners more convenient and easier to maintain, more stable performance.