The ZF-250A-2 fully automatic Chinese envelope gluing machine is suitable for producing Chinese standard envelopes (Chinese seed bags), and at the same time, a hanging hole (airplane hole) is punched at the bottom of the seal. This envelope is suitable for packaging various plant seeds, and the hanging hole can be used to hang the paper bag on the supermarket shelf. It adopts an air suction bottom paper drawing method, which can continue the paper without stopping the machine, ensuring reliable paper separation; Air suction roller fence folding, stable standard, rotary glue application can ensure uniform glue volume. It has the characteristics of high efficiency, stability, and easy operation, making it an ideal equipment for producing Chinese style envelopes.