中央经济会议定调内需，提振消费政策值得期待

Investment Rating - The industry investment rating is "Outperform the Market" and is maintained [1] Core Insights - The central economic work conference emphasized the importance of domestic demand and proposed measures to boost consumption, which is expected to positively impact the building materials industry [4] - The cement sector is anticipated to see a temporary price increase due to supply constraints from seasonal production policies, despite current weak demand [5] - The glass industry is facing ongoing demand challenges, with inventory levels remaining high and limited improvement in downstream demand [6] - The fiberglass sector is experiencing growth driven by AI-related demand, with expectations for continued price and volume increases [6] - The consumer building materials segment has reached a profitability bottom, with strong price increase demands from companies [7] Summary by Sections Cement - November saw a slight improvement in cement demand, with a production volume of 148 million tons, down 15.8% year-on-year [10] - Seasonal production policies are expected to lead to a temporary price increase, while demand remains in a weak recovery phase [10] Glass - The glass industry is under pressure with traditional Q4 demand not meeting expectations, and inventory levels are relatively high [16] - The supply-demand imbalance persists, and future policy changes are crucial for demand recovery [16] Fiberglass - The fiberglass sector is benefiting from price increases of 5%-10% due to strong demand in the AI industry, with expectations for continued growth [6] Consumer Building Materials - The sector has reached a profitability low point, with companies actively seeking price increases to improve margins [7]