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]