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ZYJ-270/180-column hydraulic rotary drilling rig, using efficient spiral carbide, PDC drill bit drill bit Rotary drilling of coal blending, applicable to the roadway surface and the face of advanced exploration drilling for gas and water, drilling depth of 50-70 meters. Distinctive feature of the rig is light weight, easy operation, low failure rate. Itself is equipped with supporting pillars and fixed-guideway used upright top tight, Rails and pillars with a 360 degree adjustable connection between disc, ensuring the rig drilling a 360-degree adjustable angle.