1, the first category belongs to the independent operation of the staff cafeteria, this type of cafeteria in addition to the unit's employees to provide catering services, but also at the same time to provide catering services to the outside world.
2. The second category is the staff canteens run by catering companies that are stationed in the accommodation, and the introduction of catering companies to provide catering services for the employees of this enterprise.
3. The third category is the internal cafeteria of the enterprise, which only provides catering services for the lodging employees.