[The domestic large-diameter TBM Plateau Pearl rolled off the production line]Recently, the domestic large-diameter multi-support TBM "Plateau Pearl" jointly built by CRCC and the 14th Bureau of China Water Corporation rolled off the assembly line in the CRCC Changsha Second Industrial Park. The successful development of this equipment marks another big leap in the development technology of domestically produced TBM. Editor / Zhao E
On April 3, 2026, the domestically developed maximum diameter 13.2-meter hard rock TBM by CCCC Tianhe started construction in Changshu. The machine is equipped with 7600 domestically produced rare earth special steel main bearings developed by the Institute of Metals, Chinese Academy of Sciences, with a rated life of over 15000 hours and performance exceeding imports. This move marks China Communications Construction Corporation's first achievement of 100% localization of core components for ultra large diameter tunneling machines, completely bridging the last mile of national production of major underground engineering equipment in China.Editor/Cheng Liting
At the Export to China SCO Choice Forum, Kazakh companies signed a $125 million agricultural export agreement with Chinese partners. Changsha Kaliev, the Minister of Trade of Kazakhstan, led a delegation to visit Shandong to deepen industrial and logistics cooperation. As the largest trading partner, the bilateral trade volume between China and Kazakhstan is expected to increase from 41 billion US dollars in 2023 to 48.7 billion US dollars in 2025, with Shandong's trade volume reaching 2.2 billion US dollars. Both sides are shifting from scale expansion to quality and efficiency improvement, with a focus on promoting the export of high value-added, non resource, and green technology products to ensure supply chain stability.Editor/Cheng Liting