[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
Colin Electric and Intelligent Communication Technology Co., Ltd. recently signed a strategic cooperation and mutual procurement framework agreement in Colin Industrial Park, Shijiazhuang. Both parties announced that they will carry out in-depth cooperation around AI high-precision sensing products, charging piles, and new energy products, integrate their respective technology and market advantages, and jointly explore the global new energy market. Liu Guojun, General Manager of Colin Electric's Intelligent Electricity Business Unit, and Zhang Dong, General Manager of the New Energy Business Unit, attended the signing ceremony.Editor/Yang Meiling
China Electric Equipment Group recently launched a large-scale centralized procurement of energy storage batteries. The product purchased this time is 314 ampere hour lithium iron phosphate battery cells, with an estimated total purchase of approximately 19.80 gigawatt hours and a purchase amount of approximately 6.9 billion yuan. Based on this calculation, the purchase price of battery cells is approximately 0.3484 yuan/watt hour.Editor/Yang Meiling