タイトルまたは説明

A TheImpeller transmission shaft, water and materials are isolated with each other, this design can avoid damages caused by water, sand and other contaminants, failure rate is reduced significantly.
2 Less fine sand and stone powder outflow rate than other similar machineries in the market. Fitness and gradation of sand can meets the standard of construction sand.
3 excellent cleanliness  High capacity, low power consumption, long service life.