Does the guardrail outside the air conditioner belong to the scope of property maintenance?

* * Air conditioning external guardrail belongs to the scope of property maintenance * *. The state has corresponding standards for property management services and regulations on the scope of property maintenance. In general, the realty service enterprise is responsible for the overhaul, medium repair, renewal and transformation of the parts and facilities used in the property. The owner shall not bear the cost of maintenance, renewal and transformation of the * * used parts and facilities and equipment of the property. Exterior walls, roofs, stairwells, passages, residential roads and other parts need maintenance, which can be undertaken by the property management company, but the maintenance can only be carried out after the owners' meeting or owners' committee is held.