Self-rescue device ore mine pressure wind pressure self-help device prices and ambulance equipment, self-rescue device, ZYJ self-help device due to the unsafe factors in the mine, in order to ensure the safety of the life of the mine staff, after the State of safety equipment and experimental design pressure self-help device, the now major coal mine system refuge chamber system used to install, which is one of the necessary equipment on mine safety pressure self-help device is generally installed in relying on roadway edge, or the movement of persons in the disaster prevention in the refuge chamber, when installed, should be strictly in accordance with the articles of association of coal mine production safety installed every 50 meters to install a group or several groups.