Chinese stocks closed lower on Friday, with the benchmark Shanghai Composite Index down 3.05 percent to 3,764.15 points.
The Shenzhen Component Index closed 5.40 percent lower at 13,706.88 points.
The ChiNext Index, tracking China's Nasdaq-style board of growth enterprises, lost 7.15 percent to close at 3,428.63 points.
The STAR Composite Index, which reflects the performance of stocks on China's sci-tech innovation board, closed 8.13 percent lower at 1,938.77 points.
Chinese shares close lower Friday
China's first integrated space-air-ground smart product matrix was unveiled at the 2026 Aerospace Information Conference in Wuxi City, east China's Jiangsu Province, on Thursday.
The product matrix, developed by Geovis -- a listed Chinese technology innovation company focused on geospatial big data processing and application, covers three major areas: smart Earth, low-altitude economy and commercial aerospace, and can be applied in various scenarios, according to a report on the disclosure of the product matrix.
Specifically, the smart Earth product line provides a spatiotemporal intelligence platform supporting applications in commercial aerospace, the low-altitude economy, territorial planning, underground and deep-sea exploration, and precision meteorological services.
The low-altitude industrial chain products focus on low-altitude safety and economy, covering logistics, government inspection, emergency rescue and urban airspace management, according to the report.
The commercial aerospace product line supports the manufacturing and safe operation of satellite constellations, offering comprehensive technical support for large-scale, intelligent development of the aerospace industry.
China unveils first integrated space-air-ground smart product matrix