Before and after the pressing machine by the closing roller, top and bottom frame, companding spring group, chain rack, gear motor, adjust the handwheel, belt conveyor and other components, driven by gear motor, through the movement of the belt conveyor, the bags into the roller before, after reentrance twice pressing roller, transmission part adopts rolling bearing, chain wheel, chain and reducer. Before and after the last hard chromium plating. Pressing roller have 21 chrome-plated roller.

Pressing machine is suitable for the different thickness of the product packaging such as flour sacks, starch bags of pressing. Generally adopts frequency conversion infinitely adjustable-speed, stable performance, transmission, low noise, high efficiency, low labor strength etc.