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China's domestically developed turbofan engine F406 with a thrust rating of 600 kilograms has completed its maiden flight test in North China's Inner Mongolia Autonomous Region.
According to Aeroengine Corporation of China, its developer, The flight was conducted on an advanced meteorological drone in a twin engine configuration.
The company said the successful flight marks the first time China has achieved independent control and domestic application of a medium and small-thrust high-end turbofan engine in the general aviation power sector.
Developed by a technology subsidiary of the company.
The F-406 fills multiple technical gaps in China's medium and small thrust turbofan engine capabilities.
According to the company, the engine will be used in a range of mission platforms, including high-altitude inspection drones, relay communication drones and long-endurance high-altitude unmanned aircraft.
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China will release data on foreign trade in goods for the guangdong, hong kong, macau greater bay area as a whole as part of broader efforts to further advance the area's development.
The move is included in a package of 20 measures recently unveiled by the General Administration of Customs to support the development of the Greater Bay Area, a world-class city cluster bringing the hong kong and macau special administrative regions together with nine mainland cities in the economic powerhouse of Guangdong, including Guangzhou, Shenzhen and Zhuhai.
Currently, trade data for the region's mainland cities Hong Kong and Macau are compiled separately under different statistical systems, making it challenging to derive aggregate figures for the region through direct addition.
Lin Xiaobin, an official with the General Administration of Customs, said that Chinese mainland customs authorities will work with counterparts in Hong Kong and Macau to study and and compile aggregate data on trade in goods for the greater Bay Area and release it in due time.
Lin noted that the data will support more accurate analysis of trade trends and structure in the region, while giving the public a more complete picture of its economic performance.
The Greater Bay Area, one of China's most open and vibrant economic hubs, has shown strong resilience and vitality in foreign trade.
In the first four months of this year, the imports and exports of the nine mainland cities in the area climbed 184 year on year to 34 trillion yuan, about US4973 billion, contributing around one quarter of the country's overall foreign trade growth.
45 years after the rediscovery of the world's last seven wild crested ibises in northwest China's Shaanxi Province.
The endangered bird has established stable populations in 15 provincial-level regions across the country, demonstrating exceptional conservation success.
Data from the Forestry Bureau of Shaanxi Province shows that, as of the end of 2025, the global population of the crested ibis had exceeded 12000 and its habitat had expanded by to more than 20000 square kilometers.
The species has been lowered from the critically endangered status to endangered on the International Union for Conservation of Nature Red List.
Li Jie, Deputy Head of Yangxian County, recalled the immediate action taken After the rediscovery.
The county enforced strict ecological protection rules, banning hunting logging, the use of pesticides and fertilizers, and land clearance and blasting.
Over the past 45 years, the crested ibis population has made a remarkable leap from the brink of extinction to slow growth and now to accelerated recovery.
But conservation efforts have gone beyond simply increasing numbers.
To address challenges such as low genetic diversity and highly concentrated distribution, cross-region rewilding programs and genetic exchanges have been implemented.
Today, the crested ibis can be found across both the Yangtze and Yellow River basins, ranging from inland areas to coastal zones.
Yangshan County has provided over 300 birds as breeding stock to help rebuild populations across China, as well as in Japan and the Republic of Korea.
Yan Lu, Deputy Director of the Shaanxi-Hanzhong Crested Ibis National Nature Reserve Administration, explained that rewilding efforts in various locations have expanded the bird's range and living space.
Adapting to different climates, environments and food sources has enhanced the species' resilience to both natural changes and climate changes.
To help ensure the full recovery of the crested ibises,
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