Hello, ceramics belongs to the 21st category of registered trademarks. Which category of trademarks does ceramics belong to? Category 21 kitchen sanitary ware, among which the ceramic similar group is 2103: acid jar 210040, thin neck jar 210040, Household ceramic products 210068, earthenware 210129, tin-glazed earthenware 210157, earthenware pans 210181, porcelain 210189, earthenware 21019. ?Daily-use porcelain (including basins, bowls, plates, pots, tableware, jars, jars, jars) C210024, Daily-use pottery (including basins, bowls, plates, cylinders, jars, jars, casseroles, pots, stoneware tableware) C210025 , ceramic support ball C210026, acid and alkali resistant ceramic C210027, imitation porcelain C210028, imitation pottery C210029.