1.It’ s made according to the updated enterprise standard. The majortechnological index for the enterprise standard is more higher than the industrial standard.
2.The stackable impeller can be assembled according to the local voltage
3.The impeller has adopted the laevorotation and right handed rotation paddle being the trapeziform shape and corkscrew impeller. This kind of impeller can make the water flow direction to be dispersedly diffusion while the aerator working





