Fire hydrant box is installed on fire pipeline inside building. It is a kind of fixed fire equipment, and all or partially composed of shell , indoor fire hydrant, coupling, fire water belt, spray gun , fire hose reel and electric equipment.The box has functions of water supply, extinguishment, control, alarm. It can be used to put out the beginning fire timely or as an aid fire-fighting equipment in important places, such as high-rise building, large-scale building, plant, storage, office, residential area, various conference hall, exhibition hall and etc.