Employees package wheel products at a workshop in China Baowu Group Masteel Rail Transit Materials Technology Co., Ltd. (MRT) in Ma'anshan, east China's Anhui Province, Dec. 15, 2023. (Photo: Xinhua)
This photo taken on Dec. 15, 2023 shows a hot rolling production line in China Baowu Group Masteel Rail Transit Materials Technology Co., Ltd. (MRT) in Ma'anshan, east China's Anhui Province. (Photo: Xinhua)
Employees package wheel products at a workshop in China Baowu Group Masteel Rail Transit Materials Technology Co., Ltd. (MRT) in Ma'anshan, east China's Anhui Province, Dec. 15, 2023. (Photo: Xinhua)
An employee packages a wheel product at a workshop in China Baowu Group Masteel Rail Transit Materials Technology Co., Ltd. (MRT) in Ma'anshan, east China's Anhui Province, Dec. 15, 2023. (Photo: Xinhua)
An employee grinds a wheel at a workshop in China Baowu Group Masteel Rail Transit Materials Technology Co., Ltd. (MRT) in Ma'anshan, east China's Anhui Province, Dec. 15, 2023. (Photo: Xinhua)
Employees package wheel products at a workshop in China Baowu Group Masteel Rail Transit Materials Technology Co., Ltd. (MRT) in Ma'anshan, east China's Anhui Province, Dec. 15, 2023. (Photo: Xinhua)
An employee measures the external diameter of a wheel at a workshop in China Baowu Group Masteel Rail Transit Materials Technology Co., Ltd. (MRT) in Ma'anshan, east China's Anhui Province, Dec. 15, 2023. (Photo: Xinhua)
This photo taken on Dec. 15, 2023 shows a hot rolling production line in China Baowu Group Masteel Rail Transit Materials Technology Co., Ltd. (MRT) in Ma'anshan, east China's Anhui Province. (Photo: Xinhua)