[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
On June 30, 2026, the Xudabao Nuclear Power 500 kV Transmission Project successfully delivered power to the entire line. The project is designed for grid connected power transmission of Xudabao Nuclear Power Plant units. After the project is fully put into operation, it can deliver 10 billion kilowatt hours of green electricity annually, ensuring the electricity supply for a large number of enterprises while significantly reducing carbon emissions. Editor/Cheng Liting
On June 30, 2026, the ± 800 kV high-voltage direct current transmission project from northern Shaanxi to Anhui was fully completed and put into operation. This is the first ultra-high voltage direct current transmission project put into operation in China during the 15th Five Year Plan period. After the project is put into operation, it can replace 5.5 million tons of coal consumption and reduce 14.2 million tons of carbon dioxide emissions annually. Editor/Cheng Liting