What is the advertising word for the freezer under the big tree?

"Cool under a big tree, Changling refrigerator", in the memory of many household appliances in Shaanxi, this slogan is like a classic music that can't be dispersed for a long time. In the 1980s and 1990s, the advertisement of "enjoying the cool under a big tree" once resounded all over the country, and Changling refrigerator became the pride of Baoji and even Shaanxi people. As the largest refrigeration household appliance enterprise in the west of China and the only well-known trademark of China in the northwest household appliance industry, Changling refrigerator has brought unforgettable "cool" memories to countless Shaanxi people.