转自：国际商报 ■ 本报记者 杨 洲 李 波 2025世界制造业大会开幕在即，记者从大会主办方获悉，今年大会将推出大国制造展，重点展示国机集 团、中国中车、中国铁建三大央企代表的中国制造硬核实力。这些企业是中国科技自立自强和产业链完 整性的生动缩影，相关产品代表了我国制造业高端化、智能化、绿色化发展的标志性成果。 比如，SH504M丘陵山地拖拉机与LW2404无级变速拖拉机，共同构建了适应中国多样化农业地貌和现 代化农业需求的产品体系，实现了从丘陵山区到大型平原的全域覆盖——SH504M以专业化、适应性强 的设计，破解丘陵山区机械化难题，助力小农户与现代农业衔接；LW2404以智能化、高效节能的技 术，推动大规模农业生产的现代化升级。两款产品共同体现了中国一拖在农机装备研发领域的自主创新 能力与产业引领作用，为提升中国农业整体机械化率和现代化水平提供了关键装备支撑。 在今年世界制造业大会的大国制造展上，还可以看到国产首台16米级超大直径盾构机"京华号"。该盾构 机由中国铁建自主研制，整机长150米，总重量4300吨，最大开挖直径16.07米，是我国自主研制的最大 直径盾构机，配备了多项创新性技术，如常压换刀、 ...

Core Viewpoint - The 4th Changsha International Construction Machinery Exhibition showcases the industry's transformation towards high-end, intelligent, and green technologies, featuring over 1,800 companies from more than 60 countries, including 35 of the world's top 50 construction machinery firms [1][3]. Group 1: Exhibition Highlights - The exhibition theme focuses on high-end, intelligent, and green construction machinery, emergency equipment, mining machinery, agricultural machinery, and transportation equipment [1]. - The event attracted 1,806 exhibitors, including major players like SANY Heavy Industry, Zoomlion, and CRRC, with a total industrial output value exceeding 200 billion yuan [1][2]. - The exhibition area covered 300,000 square meters with over 20,000 exhibits across 23 categories, and more than 5,000 international buyers participated [3][4]. Group 2: Technological Innovations - Over 30 new products and more than 1,500 new technologies were launched at the exhibition, with over 60% of exhibits featuring advanced technologies such as AI, remote control, and unmanned operations [4]. - SANY showcased the world's first fully electric unmanned excavator, demonstrating a 40% efficiency improvement over traditional models [6]. - Key components like the 8.61-meter diameter shield machine bearing from CRRC were highlighted, showcasing advancements in critical machinery technology [2][3]. Group 3: Industry Collaboration and Development - A procurement signing event resulted in over 13 billion yuan in agreements among more than 100 companies in the construction machinery supply chain [7]. - The "Five Provinces" cooperation agreement aims to enhance regional collaboration in research, industry chain integration, and market sharing [7]. - Hunan and Hainan provinces announced standards for the evaluation of used construction machinery for export, aiming to establish a global recycling and remanufacturing base [7].

Core Insights - The fourth Changsha International Construction Machinery Exhibition gathered 1,806 companies globally, showcasing the latest technologies and products in the construction machinery sector [1] - Changsha Economic Development Zone led the exhibition with over 100 participating companies and a total exhibition area of 23,000 square meters, the largest among all parks and districts in the province [1] Group 1: Major Exhibitors and Products - Zoomlion displayed the world's largest 4,000-ton all-terrain crane and a range of other industry-leading products, with a total exhibition area of nearly 9,000 square meters, marking the largest scale and product quantity in the company's history [3][4] - CRRC showcased advanced tunneling equipment, including the domestically developed largest diameter shield machine "Jianghai" and the first domestic 16-meter ultra-large diameter shield machine "Jinghua" [4] - SANY introduced the E-MOVE, the world's first fully electric unmanned excavator, which features a 78% reduction in energy loss due to complete electrification [5][6] Group 2: Innovations and Technological Advancements - SANY's A7 intelligent handling robot combines smart driving and manual control, capable of operating in both indoor and outdoor environments, addressing traditional AGV limitations [6] - The new 34-meter electric boom lift SWT34JE-P from another exhibitor supports collaborative construction with a maximum load capacity of 454 kg and improves operational efficiency by 30% [7] - Shanhe Intelligent presented over 20 new energy products, with nearly 50% of its offerings being electric equipment, showcasing advancements in intelligent emergency rescue equipment [6][8] Group 3: Small and Medium Enterprises - The exhibition provided a platform for small and medium enterprises to showcase their innovations, such as Hunan Blue Ocean Intelligent Equipment Co., which signed contracts worth nearly 30 million yuan during the event [8][10] - Changsha Maixin Electronic Technology Co. introduced a new intelligent remote controller with real-time video transmission capabilities, enhancing remote operation precision [9] - Changsha Tuoo Technology Co. presented a series of smart control systems, including an AI intelligent control system for aerial work platforms, attracting numerous potential clients [9][10] Group 4: Future Prospects - The Changsha Economic Development Zone aims to continue optimizing the business environment and strengthening technological support to help local enterprises expand internationally, contributing to the development of a globally influential advanced manufacturing hub [10]