SRL-W Series Mixer Units are widely used in mixing, drying,colouring all kinds of resin such as PVC, PP,PE. They can also be used in dryness of ABS and polycarbonate, and mixing hydroxybenzene, aldehyde resin. The unit consists of one hot mixer and one cooling mixer. The materials from hot mixer get into the cooling mixer automatically to be cooled,so remained gas is eliminated, and agglomeration is avoided. Absorbing advanced foreign technology and PLC control system, we designed SRL-Z Series Heating/Cooling Mixing Unit, which offers high automatic level, good mixing effect, complete function, compact structure, and perfect appearance. The unit is widely used in mixing,drying and coloring various plastics.