国之重器闪耀长沙力量

Core Insights - The "Steel Backbone" tunneling machine developed by China Railway Construction Heavy Industry Co., Ltd. has been selected as one of the "Top Ten National Heavy Equipment of Central Enterprises for 2025" [1] - This marks the third time that the company has received this recognition, following the selection of the "Dream" tunneling machine and the "Jianghai" shield machine in previous years [2] Group 1 - The "Steel Backbone" is the world's first kilometer-level vertical hard rock full-face tunneling machine, which was launched on April 16, 2025 [1] - This machine fills an international gap in full-face tunneling equipment for depths exceeding 1,000 meters, representing a significant technological leap in ultra-deep vertical tunneling equipment [1] - The successful development of this equipment provides safer and more efficient foundational tools for deep mineral resource development and underground space utilization, positioning China at the forefront of this field internationally [1] Group 2 - The selection process for the "Top Ten National Heavy Equipment" involved a combination of media reports and public voting, attracting millions of participants [1] - In 2022, the "Dream" tunneling machine was recognized alongside other significant projects such as the C919 large passenger aircraft and the "Fujian" aircraft carrier [2] - In 2024, the "Jianghai" shield machine was selected along with the first deep-sea drilling vessel "Dream" and the largest quantum computing cluster "Tianyan" [2]