短期成本扰动增加，关注持续涨价传导成本压力的板块

Investment Rating - The report maintains an "Outperform" rating for the construction materials sector [2] Core Views - The construction materials sector is experiencing increased cost pressures, with a focus on companies that can effectively pass on price increases to consumers [7][8] - The report highlights the potential for price increases in various segments, particularly waterproofing and coatings, as companies respond to rising raw material costs [7][8] - The overall market sentiment is cautiously optimistic, with expectations for demand recovery in the cement and glass sectors as construction activities resume [35][51] Summary by Sections Market Overview - The construction materials sector declined by 1.58% this week, underperforming the CSI 300 index by 1.8 percentage points [18] - Year-to-date, the sector has increased by 7.4%, outperforming the CSI 300 index by approximately 6.6 percentage points [18] Cement Sector - Cement demand is gradually recovering, with a national average shipment rate of approximately 25%, up 9.5 percentage points from the previous period [27] - The average price of cement is around 343 RMB/ton, with regional variations in price movements [25] - The report anticipates price increases in late March as construction activities ramp up, recommending companies like Huaxin Cement and Conch Cement [35] Glass Sector - Float glass supply continues to contract, with inventory decreasing by 3% to approximately 6.763 million weight boxes [51] - The average price of float glass has increased slightly to 1,177 RMB/ton, with an average industry profit of -44 RMB/ton [37] - The report suggests that the glass sector may see price stabilization as supply tightens, recommending companies like Xinyi Glass and Qibin Group [51] Fiberglass Sector - Fiberglass prices have stabilized after recent increases, with domestic prices for non-alkali fiberglass around 3,650 RMB/ton [52] - Demand remains strong for electronic fabrics, with expectations for further price increases due to supply constraints [52] - The report recommends companies such as China Jushi and suggests monitoring International Composite and Changhai Co. [11] Carbon Fiber Sector - Carbon fiber prices have shown a slight recovery, driven by increasing demand from commercial aerospace and other high-end applications [8] - The report highlights the introduction of new carbon fiber products by Zhongfu Shenying, which may enhance competitive positioning in high-end markets [8] - Companies like Zhongfu Shenying and Guangwei Composites are recommended for investment [11]