This photo taken on Oct. 31, 2024 shows a model of the Bluewhale I drilling platform at the 2024 China Marine Economy Expo (CMEE) in Shenzhen, south China's Guangdong Province. The 2024 CMEE kicked off in Shenzhen on Thursday, comprehensively showcasing China's marine economic development, and scientific and technological innovation. (Xinhua/Liang Xu)

Visitors learn about an operational underwater robot system at the 2024 China Marine Economy Expo (CMEE) in Shenzhen, south China's Guangdong Province on Oct. 31, 2024. The 2024 CMEE kicked off in Shenzhen on Thursday, comprehensively showcasing China's marine economic development, and scientific and technological innovation. (Xinhua/Liang Xu)

Visitors learn about an underwater robot at the 2024 China Marine Economy Expo (CMEE) in Shenzhen, south China's Guangdong Province on Oct. 31, 2024. The 2024 CMEE kicked off in Shenzhen on Thursday, comprehensively showcasing China's marine economic development, and scientific and technological innovation. (Xinhua/Liang Xu)

This photo taken on Oct. 31, 2024 shows the venue for the 2024 China Marine Economy Expo (CMEE) in Shenzhen, south China's Guangdong Province. The 2024 CMEE kicked off in Shenzhen on Thursday, comprehensively showcasing China's marine economic development, and scientific and technological innovation. (Xinhua/Liang Xu)

People visit the 2024 China Marine Economy Expo (CMEE) in Shenzhen, south China's Guangdong Province on Oct. 31, 2024. The 2024 CMEE kicked off in Shenzhen on Thursday, comprehensively showcasing China's marine economic development, and scientific and technological innovation. (Xinhua/Mao Siqian)