空悬及传感器放量，产品结构持续改善

Investment Rating - The report maintains a "Buy" rating for the company, indicating that the stock is expected to outperform the relevant market index by more than 15% over the next 12 months [4]. Core Insights - The company reported a revenue of 5.897 billion yuan in 2023, representing a year-on-year increase of 23.44%, and a net profit attributable to shareholders of 379 million yuan, up 76.92% year-on-year [9][11]. - In Q1 2024, the company achieved a revenue of 1.483 billion yuan, a year-on-year increase of 24.94%, but a quarter-on-quarter decrease of 14.89% [6][11]. - The growth in revenue is attributed to the expansion of air suspension and sensor businesses, which significantly boosted overall performance [9][19]. - The company has a strong order backlog and is expanding its customer base, particularly in traditional valve and tire pressure monitoring systems (TPMS) [12][13]. Summary by Sections Financial Performance - In 2023, the company’s revenue was 58.97 billion yuan, with a net profit of 3.79 billion yuan. The Q4 2023 revenue was 17.42 billion yuan, with a net profit of 0.40 billion yuan [9][11]. - The revenue breakdown by product for 2023 includes TPMS (1.911 billion yuan), automotive metal parts (1.421 billion yuan), valve stems (0.784 billion yuan), air suspension (0.701 billion yuan), and sensors (0.531 billion yuan), with respective year-on-year growth rates of 29.44%, 6.09%, 9.64%, 174.75%, and 45.16% [9][19]. Profitability Metrics - The overall gross margin for 2023 was 27.4%, with a projected increase to 29.1% in 2024 [16]. - The company’s net profit margin for 2023 was 6.4%, with an expected increase to 6.0% in 2024 [16]. Future Projections - The report adjusts the net profit forecast for 2024 to 483 million yuan and for 2025 to 596 million yuan, with a first-time forecast for 2026 at 735 million yuan [13][16]. - The company is expected to maintain growth in its air suspension and sensor businesses, with profitability likely to improve as these segments expand [12][13].