恒尚节能：2025年度累计新签项目金额13.11亿元，同比减少37.09%

Group 1 - The core point of the article is that Hengshang Energy (603137.SH) reported a significant decrease in new project contracts for the year 2025, with a total amount of 1.311 billion yuan, representing a year-on-year decline of 37.09% [1] - The cumulative new contracts for building curtain walls and aluminum alloy doors and windows amounted to 1.213 billion yuan, showing a year-on-year decrease of 41.79% [1] - The number of new projects signed for building curtain walls and aluminum alloy doors and windows in 2025 was 51, which is an 8.93% decrease compared to the previous year [1] Group 2 - The company also reported that its building materials sales business had cumulative new contracts amounting to 98 million yuan [1]