Wang Yaru, head of a spot welding team, operates at a factory of Harbin Electric Machinery Company Limited under Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, March 7, 2025. (Xinhua/Wang Song)

　　Female welders perform manual spot welding at a factory of Harbin Electric Machinery Company Limited under Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, March 7, 2025. (Xinhua/Wang Song)

　　Female welders work at a factory of Harbin Electric Machinery Company Limited under Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, March 7, 2025. (Xinhua/Wang Song)

　　A female welder performs smart laser spot welding at a factory of Harbin Electric Machinery Company Limited under Harbin Electric Corporation in Harbin, northeast China's Heilongjiang Province, March 7, 2025. (Xinhua/Wang Song)