201 stainless steel billboard
Do I need approval for billboards in front of self-employed stores?
Generally, they start with the floor number. For example, if there are more than a dozen rooms on the second floor, then the first room on the second floor is 201. If there are two buildings, add AB in front, such as A201.
In addition, 4 is an unlucky number in China. When compiling house numbers, try to avoid this number. You can skip it or replace it with A.
If it is an international hotel, avoid the number 13, because most foreigners think 13 is unlucky