1. You need to go to the local industrial and commercial bureau to check whether anyone in the catering industry has applied for the name Gray Wolf and registered a self-employed person or company license

2. Check whether this name is used in the catering industry Whether to apply for a trademark.

3. If it has not been applied for, then you can use it. If you apply for it as a trademark as suggested before, then others in the catering industry cannot use the three words "Big Gray Wolf" as a promotional name.