... . Horizontal and vertical 4. Plastic heat & cooling mixing SRL-Z series mixing unit is applicable for mixing ,colouring and drying of various reson such ... , by adopting PLC control,it features high automatic level,good mixing effect,complete function,compact structure and beautiful apperance,it is ... heating/Auto-rubbing Manual/Pneumatic 4120/4030/4870 12 SRL SERIES HIGH-SPEED MIXING UNIT