Wheeled carbon dioxide fire extinguishers are generally two operations, when used together they will push or pull burning fire extinguisher place, in about 10 meters away from the combustion stops, a person can quickly remove the horn and expand after injection hose, hold roots horn handle, another quick hand wheel counter-clockwise rotation, and opened to the maximum position. Portable fire fighting methods and the same way. Fire Equipment Co., Ltd., Xi'an Runchi operation of various fire equipment, Xi'an delivery, specific price negotiable, one year free service! ! Address: Chang'an Road, Xi'an Chang'an One Building 1-508 grassy slopes Tel :029 -85352221 Website http://www.xarunchi.com