when the fire occurs, the pump of the fire truck can quickly and conveniently connect to the fire service equipment inside the building, and pressurize the water supply, so that the indoor fire equipment can get enough pressure water. in order to put out the fire in different floors, it can effectively solve the extinguish troubles after the fire, or the situation that indoor fire equipment not get enough pressure water. the pump adapters produced by our company are made of stainless steel.