Equipment for marine emergency and rescue are displayed at the 2024 East Asia Marine Expo in Qingdao, east China's Shandong Province, Oct. 24, 2024. The 2024 East Asia Marine Expo opened Thursday in Qingdao, a coastal city of east China's Shandong Province, convening more than 500 exhibitors from home and abroad. (Xinhua/Li Ziheng)