Core Viewpoint - The recent cold wave in northern China has significantly boosted the sales of heating and warming products across the country, indicating a strong consumer response to the sudden drop in temperatures [1][6]. Group 1: Consumer Behavior - Consumers are rapidly purchasing winter clothing, particularly long down jackets, in response to the unexpected cold weather [2]. - There is a notable increase in demand for down and wool products, with customized quilt orders also surging as consumers opt for heavier fillings [4]. Group 2: Sales Performance - Overall sales in shopping malls have rebounded due to the cold wave, with sales figures dropping 17% year-on-year before the cold wave but reversing course afterward [6]. - During the cold wave from October 16 to 23, sales of down products increased by 46% year-on-year and 150% month-on-month, while wool and cashmere products saw a 17% year-on-year increase and a 74% month-on-month increase [8]. Group 3: Online and Offline Trends - Online platforms report over 200% year-on-year growth in sales of instant hot water machines and warming blankets, with significant increases in orders for electric hot pots, which surged over 14 times year-on-year [10]. - Sales of clothing items such as wool coats, cashmere sweaters, and fur garments have also seen over 100% year-on-year growth [11].

Core Insights - The recent cold wave in northern China has significantly boosted sales of heating and warming products, with a notable increase in demand for down jackets and woolen items [1][2] Group 1: Sales Performance - Sales of down jackets increased by 46% year-on-year during the cold wave period, with a month-on-month growth of 150% [1] - Sales of wool and cashmere products rose by 17% year-on-year and 74% month-on-month [1] - Overall sales in a major Beijing department store saw a reversal from a 17% decline in early October to a significant increase during the cold wave [1] Group 2: Online and Offline Trends - Online platforms reported over 200% year-on-year growth in sales of instant hot water machines and heated blankets [2] - Offline instant delivery orders surged, with electric hot pot orders increasing by over 14 times year-on-year [2] - Sales of hot pot-related products, such as meat rolls and fish, also saw substantial increases, with transaction values rising by 76% and 113.6% respectively [2]