[Shenjiang No. 1 participated in the construction of the deepest submarine tunnel] On August 23, China's self-developed subsea tunnel shield machine rolled off the assembly line in Changsha, Hunan. The equipment shield machine has an excavation diameter of 13.42 meters, a total length of 130 meters, and a total weight of 3,800 tons. It will participate in the construction of China's deepest submarine tunnel-the Zhujiangkou Tunnel of the Shenzhen-Jiangmen Railway. The Pearl River Mouth Tunnel is a key control project of the Deep River Railway. "Shenjiang No. 1" crosses the section with a total length of 3590 meters. The entire line is tunneled downhill for a long distance and passes through the Pearl River estuary. The engineering geological conditions are extremely complicated. Editor/Xu Shengpeng

Click to see more live >>

• 2026.05.19 18:10
• [2600 kilometers of sand crossing roads will be constructed in Inner Mongolia]
• In 2026, Inner Mongolia plans to construct 2600 kilometers of sand crossing roads. As of the end of April, 41 projects have started construction and completed 710 kilometers, accounting for approximately 27% of the annual task. From Maowusu to Keerqin, a comprehensive battle to control desertification by road is unfolding. Editor/Cheng Liting

• 2026.05.19 18:07
• [The first dredging railway in the Six Scenic Area of Nanning Port has started construction]
• Recently, the first phase of the railway dedicated line project in the Six Scenic Area of Nanning Port officially broke ground. This line is the first dredging railway in the Six Scenic Area of Nanning Port. The total investment of the first phase of the railway dedicated line project in the Six Scenic Area of Nanning Port is 152 million yuan, with a designed annual loading and unloading capacity of 3.2 million tons. The line is connected to the Six Scenic Station of the Hunan Guangxi Railway, with a total length of 0.766 kilometers. It is constructed according to the single line diesel standard, with a designed speed of 40 kilometers per hour, and is expected to be completed in August 2027. Editor/Cheng Liting