天润工业（002283）：首次覆盖：曲轴连杆龙头地位稳固，AIDC大机增量可期

Investment Rating - The report initiates coverage with a "Buy" rating and a target price of 9.68 CNY [2][5][11]. Core Insights - The company maintains a leading position in the crankshaft and connecting rod market for commercial vehicle engines, with a strong customer base including major manufacturers like Weichai Power and Cummins. The expansion into data center generator components is expected to be a core growth driver [11][13]. - Revenue projections for 2025, 2026, and 2027 are estimated at 38.72 billion CNY, 43.51 billion CNY, and 48.09 billion CNY, respectively, with year-on-year growth rates of 7%, 12%, and 11% [13][18]. - The company has established five large crankshaft production lines and is constructing two additional top-tier lines, expected to be operational by the end of 2026, which will significantly enhance production capacity [11][12]. Financial Summary - Total revenue for 2023 is projected at 4,006 million CNY, with a forecasted decline of 9.7% in 2024, followed by growth in subsequent years [4]. - Net profit attributable to shareholders is expected to be 391 million CNY in 2023, with a significant increase of 92% year-on-year, followed by a decrease in 2024 and a recovery in the following years [4][18]. - The earnings per share (EPS) for 2025, 2026, and 2027 are projected to be 0.36 CNY, 0.44 CNY, and 0.51 CNY, reflecting growth rates of 22.8%, 23.8%, and 15.4%, respectively [4][18]. Business Segment Forecast - Crankshaft revenue is expected to reach 24.56 billion CNY, 28.05 billion CNY, and 31.30 billion CNY in 2025, 2026, and 2027, with corresponding gross profits of 6.14 billion CNY, 7.29 billion CNY, and 8.30 billion CNY [13][14]. - Connecting rod revenue is projected at 9.62 billion CNY, 11.13 billion CNY, and 12.63 billion CNY for the same years, with gross profits of 2.21 billion CNY, 2.67 billion CNY, and 3.09 billion CNY [14]. - The air suspension segment is expected to maintain stable revenue of 2.75 billion CNY annually, while other segments are projected to decline significantly [14][15]. Valuation - The company is valued using a price-to-earnings (PE) ratio of 22 times for 2026, based on comparable companies, leading to a target price of 9.68 CNY [11][18].