Type 5 trademarks cannot apply for mechanical font sizes. According to the query of relevant public information, Class 5 trademarks cannot apply for a mechanical trademark. Cosmetics applying for a mechanical trademark must register a Class 10 trademark. Cosmetics applying for a eliminated trademark must register a Class 5 trademark. The mechanical trademark refers to the approval number of a medical device product. The registration of medical brands is divided into three categories. The registration certificates are uniformly printed and supervised by the National Food and Drug Administration. Products registered with medical brands can be sold in hospitals, outpatient clinics, and pharmacies.