Which unit is responsible for the fire pipeline in the corridor?

Property. According to Article 18, if the same building is managed or used by two or more units, the fire safety responsibilities of all parties shall be clarified, the responsible person shall be determined, and the evacuation passages, safety exits, building fire control facilities and fire truck passages used by * * * * shall be uniformly managed. Residential property service enterprises shall maintain fire control facilities within the scope of management and provide fire safety prevention services.