Core Viewpoint - The successful development and acceptance of the "Xinghe-700" high-temperature alloy turbine disc marks a significant breakthrough for China in the aerospace industry, overcoming Western technological barriers and restrictions [1][3][36] Group 1: Product Development and Features - The "Xinghe-700" turbine disc can withstand temperatures of 700°C, which is a critical threshold in the aerospace sector, although it still lags behind Western products that can operate at 750°C [23][30] - The internal structure of the "Xinghe-700" is finely tuned with micron-level precision, enhancing material stability and fatigue resistance [26] - The disc features a preliminary "self-healing" capability, where intelligent elements within the material can migrate to repair micro-cracks, extending its lifespan by over 30% compared to imported products [28] - The manufacturing cost of the "Xinghe-700" is nearly half that of imported alternatives, achieved through comprehensive independent research and development [30] Group 2: Historical Context and Industry Impact - The development of the "Xinghe-700" represents nearly 70 years of progress in China's industrial capabilities, transitioning from imitation to innovation in high-temperature alloy production [34][36] - The successful creation of the "Xinghe-700" has led to advancements in the entire industry, with new nickel-based alloy blades achieving temperature records of 1150°C [32] - The project reflects China's resilience against technological blockades, showcasing the nation's ability to turn challenges into opportunities for growth and innovation in high-end manufacturing [38]