An aerial drone photo taken on Feb. 18, 2025 shows farmers operating agricultural machines at a vegetable planting base in Tancheng County of Linyi City, east China's Shandong Province. Farming ...

BEIJING, Feb. 18 (Xinhua) -- PetroChina announced that its Daji gas field, China's first successfully developed deep coal-measure gas field, has achieved cumulative production of over 3 billion cubic ...