The whole cast frame, higher speed, less noise.

Can making Western or Chinese envelopes, machinable standards, Chinese-style, Western-style envelopes, envelope or 2-7, 1-9,

Also can process a variety of non-standard size paper bags, such as the "Kodak" photo paper bags.

It can automatic indentation edges, double piece of card to automatically shut down,

Feeding part is used in the paper, blows gas transportation,

Breathe in with paper tongue fold parts

Transmission with ball bearings, timing pulleys,

Reached a maximum speed of 20,000/hour;