According to the inquiry (Eye of the Sky), Changhong Air Conditioning is a business department of China Changhong Co., Ltd., and China Changhong Co., Ltd. was established in 1958, and its headquarters is located in Mianyang City, Sichuan Province, China. Changhong air conditioner belongs to the second-line brand in the market, which has a certain gap compared with the first-line brand. According to the current market awareness and classification within the industry, it is a common and reasonable view to classify it as the second-tier grade of the whole household appliance industry.