Who is responsible for hanging parking signs in the underground garage?

The license plate of the parking lot is generally made by the property, and it is made for free. The owner doesn't have to do it himself. When it is finished, their staff will be responsible for hanging it in the corresponding parking space. Property unification is to ensure a unified style and look more standardized. If the owners do it themselves, there will inevitably be various styles, which are not beautiful or beautiful. Secondly, the property is convenient to manage parking spaces. If the owners do it themselves, it is inevitable that owners who don't care don't do license plates, which is not conducive to property management.