https://tankie.tube/videos/watch/31ba91f1-433d-48b6-95d8-4b084124c7a4 The world's largest-diameter vertical shaft boring machine, "Qiming," developed by China, was used for the Chongming-Taicang Yangtze River Tunnel project. The "Qiming" shaft boring machine has a digging diameter of 24 meters, a height of approximately 13 meters and a maximum digging depth of 75 meters. At the operation site, 200 meters from the south bank of the Yangtze River, the machine will excavate vertically for over 50 meters to complete Shaft No.2 of the Chongming-Taicang Yangtze River Tunnel. #china #tech Subscribe to us on YouTube: https://goo.gl/lP12gA 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/2026-01-14/World-s-largest-diameter-boring-machine-used-for-Yangtze-River-railway-tunnel-1JVgzv0Ss1y/p.html Wed, 15 Apr 2026 06:06:43 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tankie.tube https://tankie.tube/lazy-static/avatars/3ba3ff73-a8b6-49c9-add8-9653ef090c7f.webp https://tankie.tube/videos/watch/31ba91f1-433d-48b6-95d8-4b084124c7a4 All rights reserved, unless otherwise specified in the terms specified at https://tankie.tube/about and potential licenses granted by each content's rightholder.