Hotel box furnaces need certification. According to the relevant provisions of the Law of People's Republic of China (PRC) on Safety in Production, hotels belong to business premises, and if they use cassette ovens as cooking utensils fuel, they need to apply to the local administrative department for industry and commerce for a dangerous goods business license, which will be operated by professionals.

Please note that there are some safety hazards when using the box furnace, and relevant operating procedures and safety standards must be observed to ensure safe use.