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.