1. The multi-layer sand control filter set has high efficiency sand control performance, which can better block the formation sand particles and meet the needs of underground sand control.

　　2. The filter pores are uniform, and the permeability and anti-blocking performance are high.

　　3. The filtration area is large, the flow resistance is small, and the oil yield is high

　　4. Excellent corrosion resistance of stainless steel, resistant to acid, alkali and salt corrosion, can adapt to the special requirements of oil wells, and the gap will not gradually become larger due to corrosion.

　　5. The multi-layer structure is welded into one, which can make the filter hole stable and has strong anti-deformation ability.