External injection type hydraulic prop

Introduction of External injection type hydraulic prop The DW28-250/100X type single hydraulic prop is compatible with the metal articulated top beam for the coal mine general mechanized mining face and the fully mechanized mining face end or temporary payment roof. It is suitable for coal seam inclination less than 25 degrees. When taking certain measures, it can also be used in the 25 degree angle recovery working face. Product features of External injection type hydraulic