SPL-Z series mixing unit is applicable for mixing, colouring and drying of various resin such as polyethylene, polypropylene, poiyvinyl chloride etc. and in the process of drying and volatilization of engineering plastics such as ABS polycarbonate etc before forming and processing a well as in the mixing of phenolic resin. The unit combines heat mixing and cool mixer for cooling automatically, exhausts remaining gasses and avoids agglomerates. This unyt is developed by impouting, and absorbingadvanced foreign technology, By adopting PLC control, it featurs high automatic level, good mixing effect, complete function, compact structure and beautiful apperance. It is an ideal equipment for plastics mixing.