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