1),made of Stainless steel. 2),Easy to clean, no pollution. 3),easy to use. Features:1, The frame is of framework design, solid and durable.2, Propeller is wholly processed after welding, with high concentricity and steedy operation.3, Spiral leaf need to be welded before processing ensure shaft concentricity and running smoothly.4,Materials in the tank can be completely stirred by swirl type, a ...