[China's large-diameter and multi-support TBM Plateau Pearl off the line at CRCC] Recently, the domestic large-diameter multi-support TBM Plateau Pearl, jointly built by CRCC and the 14th Bureau of China Water Resources, rolled off the production line in the Changsha Second Industrial Park of China Railway Construction Heavy Industry. The equipment will be used for construction under extreme conditions such as high altitude, high ground stress, and super hard rock. The excavation diameter of TBM is 10.23 meters, the length of the whole machine is about 185 meters, the total weight is about 2300 tons, and the installed power is 8200 kilowatts. Editor/Ma Xue

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• 2026.09.24 15:54
• [Hainan pipeline network has transported over 35 billion cubic meters of gas cumulatively]
• According to the National Pipeline Network Group, China's first natural gas pipeline network around the island, the Hainan Pipeline Network, has transported over 35 billion cubic meters of gas, equivalent to approximately 46.6 million tons of coal that can be replaced. This is equivalent to reducing dust emissions by over 25.4 million tons and carbon dioxide emissions by over 51.2 million tons, providing solid support for the construction of Hainan Free Trade Port and Clean Energy Island. Editor/Cheng Liting

• 2026.09.24 15:53
• [5000 tons of green ammonia successfully shipped from "Qinghe No.1"]
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