Do you know the 9.20 incident in Longgang this year? Since this incident, thousands of shops (restaurants, night shows, internet cafes, etc. ) has been closed in Shenzhen, and all aspects of inspection are very strict, including industry and commerce, fire protection and urban management. So the license is not easy to handle.
If we have to wait, every department has to run. It will be better for you to consult the industrial and commercial bureau first and ask them about the specific procedures now.