What brand of air conditioner is national: National is an early trademark of the famous Japanese electronics manufacturer "Panasonic". Panasonic in Chinese is "Panasonic". It was founded by Panasonic Electric Industrial Co., Ltd. in Japan in 1918 with the help of Konosuke Matsushita and developed the brand. The corporate brand jumped into the ranking of "Top 500 World Brands".

This answer applies to Panasonic CS-DR13KM1, Panasonic KFR-36GW/BpSJ1S and other air conditioning brands.