This should be allowed, there is no rule saying it is not allowed.

The Trademark Law stipulates that the following signs shall not be used as trademarks:

(1) Identical or similar to the country name, national flag, national emblem, military flag, and medals of the People's Republic of China It is the same as the name of a specific place where the central state agency is located or the name or figure of a landmark building;

(2) It is the same as or similar to the name, national flag, national emblem, or military flag of a foreign country, Except with the consent of the government of the country;

(3) Identical or similar to the name, flag, or emblem of an intergovernmental international organization, except with the consent of the organization or if it is not likely to mislead the public;

(4) Identical or similar to official signs and inspection marks indicating implementation of control and guarantee, except those authorized;

(5) Same as "Red Cross" and "Red Crescent" "The name or logo is the same or similar;

(6) Ethnic discriminatory; (7) Exaggerated propaganda and deceptive;

(8) Harmful to socialist morals or have other adverse effects.

Place names of administrative divisions at or above the county level or foreign place names known to the public shall not be used as trademarks. However, exceptions are made where place names have other meanings or are part of collective trademarks or certification trademarks; registered trademarks using place names will continue to be valid.

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