Core Insights - The recent cold wave in northern China has significantly boosted the sales of heating and warming products across the country [1][6][8] Group 1: Sales Trends - In Beijing, sales of down jackets and wool products have surged, with custom quilt orders increasing in weight from 3-4 kg to 5-6 kg [3] - Overall sales in shopping malls have rebounded, with a 17% decline in early October compared to the same period in 2024, now reversing due to the cold wave [6] - Online platforms report over 200% year-on-year growth in sales of instant hot water dispensers and warm blankets, while electric hot pot orders have increased by over 14 times [8] Group 2: Regional Insights - In Yiwu, Zhejiang, sales of warm clothing and heating devices have peaked, with many customers placing additional orders [8][10] - The search volume for electric blankets and hot water bags has increased by 54% and 41% respectively in the past week [14] Group 3: Production and Supply Chain - Factories in Ningbo and other regions are operating at full capacity to meet the rising demand for heating appliances, producing around 4,000 oil heaters daily [20] - Textile companies are shifting focus from foreign markets to domestic sales of down products, with significant increases in orders due to the cold weather [22] - The price of raw materials like duck down has risen significantly due to increased demand, with production levels reaching 5-6 tons daily in some facilities [30][36] Group 4: Market Impact - The small home appliance sector in the A-share market has seen a notable increase, with leading stocks performing well amid heightened trading activity [38]