The ZF-350 Large Chinese Envelope Pasting Machine is a new generation of equipment for processing large-sized envelopes, developed on the basis of the ZF-250A, ZF-128, and ZF-150 envelope machines by introducing foreign technology and combining our factory's years of successful experience in producing envelope machines. It integrates automatic indentation, automatic folding, and automatic counting and sealing. This machine is particularly suitable for processing Chinese standard envelopes 1-10 and similar paper bags. Compared with other similar equipment, the structure is more reasonable, the speed is faster, the production efficiency is higher, the loss is lower, the machine adjustment is more convenient, the maintenance is simpler, and the performance is more stable.