燃气轮机高景气，关注主轴、叶片等核心零部件

Investment Rating - The industry investment rating is "Overweight" (Maintain) for mechanical equipment and specialized equipment sectors [6]. Core Insights - The global gas turbine market is experiencing high demand, driven by the need for power supply in AI data centers, with significant growth expected in gas turbine sales and orders [1][2]. - Key components such as turbine blades and shafts are anticipated to benefit from this growth, with domestic manufacturers poised to enter the global supply chain due to the long expansion cycles of high-end casting and forging production [1][4]. - Major gas turbine manufacturers are planning substantial capacity expansions in response to increasing market demand, with projections indicating a rise in global gas turbine sales to an average of 60 GW annually from 2024 to 2026, a 36% increase from 2023 [3][10]. Summary by Sections Section 1: Gas Turbine Market Dynamics - The gas turbine market is expected to see sustained high growth, with a notable increase in sales and orders driven by the rising electricity demand from AI data centers [1][2]. - The U.S. data center electricity consumption was 176 TWh in 2023, projected to rise to between 325-580 TWh by 2028, representing a CAGR of 13%-27% [2][9]. Section 2: Manufacturer Expansion Plans - The top three gas turbine OEMs accounted for 85% of the market share in 2023, with significant order growth reported [3]. - Mitsubishi Heavy Industries plans to double its gas turbine production capacity within two years due to demand exceeding expectations [3]. Section 3: Domestic Manufacturers' Opportunities - Domestic companies like Deweier, Yingliu, Liande, and Science have made significant strides in the gas turbine sector, with notable increases in order volumes and product offerings [5]. - The high-value components of gas turbines, such as turbine blades and shafts, are currently dominated by foreign suppliers, presenting an opportunity for domestic firms to penetrate the global supply chain [4][5].