Does the questioner want to ask "How many home appliance logo registrations are there in Qingdao?" 390,000 pieces. According to information from the official website of Qilu Yidian, as of the end of 2022, Qingdao had 390,000 valid registered home appliance trademarks, ranking first in the province, and the number of valid Madrid international registered trademarks reached 4,939, ranking among the top in the country.