How many hours do hotel lunch rooms usually have?

Two hours.

A larger hotel with good facilities is a hotel. Before the reform and opening up, hotels and inns in the mainland were mostly named after hotels (mostly state-owned and operated); most hotels in mainland cities called "XX Hotel" were built after the reform and opening up.

Service

In essence, the business activities of a hotel do not produce and sell tangible material products, but provide an intangible service to guests by virtue of material facilities. What you get in the end is just the effectiveness of a service and an experience of the service process.

So, in the business activities of hotels, the process of hotel providing services and the process of guests consuming services are at the same time and space. Guests can only enjoy them on the spot and generally cannot take them away, but the hotel cannot Inspection and subsequent storage, of course, there are no patents for intangible services.