The cylinders and the screw stems of model SJ-45-50 extruder are made of high-quality alloy steel with optimum hardness and strong corrosion resistance after precision finishing and nitrogen treatment. FM-600 auxiliary machine can be freely adjusted within the limits of 700mm according to the technological requirements of different materials, and is fitted with a plug-in plate mechanism for making vest bag, The double-rolling and double-cutting coiling unit adopts torque motor to keep proper tension and make even and roll-changing easy.
