New Chinese gear enhances underwater construction#coolchina

#China's self-developed shield maintenance #equipment finished massive underwater cutter replacement work on the Jintang Undersea Tunnel. The project set multiple global records under extreme high-pressure seabed conditions. Chinese engineers created a special mixed gas system to guarantee workers' safety during round-the-clock underwater operations. The new technology greatly increases construction efficiency for this #landmark cross-sea high-speed #railway project.

📺 Subscribe to our YouTube channel and stay updated with our latest analysis and interviews:👇 https://www.youtube.com/channel/UCgrNz-aDmcr2uuto8_DL2jg 👈

Download our APP on Apple Store (iOS): https://itunes.apple.com/us/app/cctvnews-app/id922456579?l=zh&ls=1&mt=8 Download our APP on Google Play (Android): https://play.google.com/store/apps/details?id=com.imib.cctv

For more: https://news.cgtn.com/news/2026-07-24/New-Chinese-gear-enhances-underwater-construction-1P2trOyuQZW/p.html

Most watched videos: Impossible Challenge: 30 seconds to count banknotes BLINDFOLDED https://www.youtube.com/watch?v=ZmP_Ybj-jws Impossible Challenge: Gymnastics Boy Arat Hosseini from Iran! https://www.youtube.com/watch?v=8sxX--U4c8w Impossible Challenge: How to calm babies in 5 seconds? https://www.youtube.com/watch?v=kR3q9sXM7WA