Core Insights - The successful lifting of the steel truss structure for the No. 1 hangar marks a significant milestone in the construction of the international aviation maintenance service platform project by China Eastern Airlines [1][3] Group 1: Project Overview - The international aviation maintenance service platform project by China Eastern Airlines is aligned with national aviation industry development strategies and aims to support Shanghai's "Five Centers" initiative [2] - The project covers a total construction area of 113,000 square meters and is expected to be operational by 2026, providing comprehensive maintenance services for wide-body aircraft [2] - The No. 1 hangar will be the largest of its kind in Asia, capable of accommodating nine wide-body and two narrow-body aircraft simultaneously [2] Group 2: Technical Achievements - The steel truss structure, referred to as the "steel dome" of the hangar, showcases high precision in design, hoisting technology, and safety management [3] - The second phase of the lifting involved raising the roof structure by 21.4 meters, with a total weight of approximately 6,029 tons, completed in 10 hours using 24 lifting points and advanced hydraulic systems [3] - The assembly of the truss involved 3,309 welded balls and 12,124 round pipe members, with robotic 3D scanning technology enhancing measurement efficiency by 5-10 times [3]

Core Viewpoint - The article highlights the unique and majestic landscape created by the plane trees (French sycamores) in Yanliang, an aviation city, emphasizing their historical significance and aesthetic appeal over the decades [2][6]. Group 1: Description of the Plane Trees - The plane trees along Yan'an Street are described as tall and robust, with unique shapes and dense foliage, creating a picturesque scene that integrates with the local environment [2][3]. - A specific row of plane trees is noted for their impressive size, with some trunks being so thick that they cannot be embraced by two people, showcasing the trees' age and resilience [3][4]. - The trees exhibit various artistic shapes due to careful pruning, resembling animals and figures, which captivates observers and adds to the charm of the area [3][4]. Group 2: Seasonal Changes and Aesthetic Appeal - The article details the seasonal transformations of the plane trees, from budding green leaves in spring to vibrant colors in autumn, creating a dynamic visual experience throughout the year [4][5]. - In summer, the trees provide a cooling canopy, transforming the street into a shaded tunnel that offers relief from the heat, enhancing the comfort of pedestrians and drivers alike [4][5]. - During winter, the trees maintain their strength and beauty, with snow creating a serene and picturesque scene, symbolizing resilience against harsh conditions [5][6]. Group 3: Historical Context and Cultural Significance - The introduction of plane trees in Yanliang coincided with the development of the aviation industry, symbolizing growth and prosperity in the region [6]. - The article reflects on the historical journey of Yanliang, noting that the trees have witnessed the hard work and dedication of generations in the aviation sector, serving as silent witnesses to the city's evolution [6].

Investment Rating - The investment rating for the company is "Buy" and is maintained [7]. Core Views - The company reported a steady growth in Q1 2025, achieving a revenue of 1.401 billion, a year-on-year increase of 6.38% and a quarter-on-quarter increase of 12.01%. The net profit attributable to the parent company was 358 million, reflecting a year-on-year growth of 1.93% and a quarter-on-quarter growth of 48.64% [2][4][12]. Summary by Sections Financial Performance - In Q1 2025, the company achieved a revenue of 1.401 billion, with a year-on-year growth of 6.38% and a quarter-on-quarter growth of 12.01%. The net profit attributable to the parent company was 358 million, with a year-on-year increase of 1.93% and a quarter-on-quarter increase of 48.64%. The net profit excluding non-recurring items was 352 million, showing a year-on-year growth of 0.38% and a quarter-on-quarter growth of 47.79% [2][4][12]. Business Expansion and Inventory Management - The company is actively increasing inventory and expanding production to ensure product delivery, with an inventory balance of 1.435 billion at the end of Q1, a growth of 12.54% compared to the beginning of the period. The construction in progress balance was 137 million, up 28.89% from the beginning of the period [6][12]. Business Segments - The aerospace new materials business generated a revenue of 1.390 billion in Q1 2025, a year-on-year increase of 6.47%, while the equipment business achieved a revenue of 12.597 million, a significant year-on-year increase of 242.20% [12]. Profitability Metrics - The gross margin for Q1 2025 was stable at 41.21%, with a slight year-on-year decrease of 0 percentage points and a quarter-on-quarter increase of 1.44 percentage points. The net profit margin was 25.73%, reflecting a year-on-year decrease of 1.14 percentage points but a quarter-on-quarter increase of 5.93 percentage points [12].