Safety And Environmental Protection
DN type internal injection single hydraulic prop is a constant resistance prop, which is suitable for roof support of general mechanized coal mining face in coal mines in combination with metal hinged roof beam, and can also be used for comprehensive mechanized coal mining face end support or temporary support. support.
DN internal injection type single hydraulic prop is suitable for roof support and end roof support of coal mining working face. Thin coal seam, medium thick coal seam and thick coal seam working face.