大飞机概念盘初活跃 天保基建4连板

Group 1 - The core viewpoint of the article highlights the active performance of the large aircraft concept stocks, particularly noting Tianbao Infrastructure's four consecutive trading limit increases and the significant rise of Runbei Aviation Technology [1] - The domestic large aircraft C919 has accelerated its commercial operations, completing its first flight in Northeast China and starting operations on Southeast Asian routes, indicating a continuous release of market demand [1] - Institutional analysis predicts that domestic large aircraft production capacity is expected to reach 150 units per year by 2027, with a potential demand for over 9,000 new aircraft in the next 20 years, presenting development opportunities for domestic aviation material companies [1]