It is deigned on the base of model TRP-250F, and added a set of traction system in the form of sponge material conveying belt. It solved the problem of the ultra-thin material and overweight of the packing object on the model TRP-250F, This machine is suitable for packing biscuit, cookie, candy etc. In pillow-type with various laminated film materials. This machine adopts PLC programmable controller to program operation of the whole machine. The machine cover and the parts contact with the packing product all adopt stainless steel material. With the features of innovated design, compact structure, good performance, easy operation and maintenance, this machine is your best choice for packing.