ZLJ350 mine hydraulic drilling rig Histon of each product through the layers of quality control, all through the ISO9001 quality system certification, with no blemishes factory! You can see the device embodies Histon all wisdom and hard-working person, every drop of sweat only do better for. Whether the product is good, only the user's voice the most real, Histon years widely around the users. So that the quality is better, so that better service, but also what we are thinking and are doing! Mainly for internal mine drainage holes for drilling exploration from 0 to 360 degrees, geological structure hole, fire-hole, gas drainage engineering and other uses of the hole. You can also drill holes and other engineering geological drilling holes in the ground. You can also drill geological drilling holes in the ground and other uses of the hole, drilling rocks for iron ore in order to facilitate the exploitation of ore. Output torque using the drill hole diameter drilling depth rated driving force 350 N / m φ33.5 / 42 φ89 200M 9KN Power Rated voltage Weight speed vertical stroke 5.5w 380 / 660v 520kg (r / min) ?? 1440 400mm to Histon never let you expensive, just to let you bought, the money can not be so headstrong, you say it. Good cheap quality, the company over the years always adhere to high standards of service to the industry leader's identity themselves, continuous improvement and breakthroughs, committed to the development and better equipment.