This requires barbecue equipment on each table. If the barbecue is conducted with a smoky charcoal fire, the smoke in the whole store will be quite large.

The polluted air will make the living environment worse, which will affect the dining environment and thus affect the business in the store.

Secondly, the charcoal fire is also a waste of energy. It is not economical if the barbecue is over but the charcoal fire cannot be turned off immediately.

Finally, in the catering industry countries, it is explicitly forbidden to use naked flames in order to put an end to potential safety hazards that are inconsistent with government regulations. No one can hold back

Therefore, the self-service barbecue shop suggests using a smokeless barbecue oven

Reference: Delia Electric Appliances, Rong Gui-smokeless barbecue wave oven.