长沙晚报掌上长沙9月25日讯（全媒体记者 匡小娟）9月23日至26日，第十七届中国（北京）国际工程机械、建材 机械及矿山机械展览会（BICES 2025）举办。三一集团、铁建重工、中联重科等企业携特色的产品与创新成果亮 相展览会，展现长沙高端装备制造的硬核实力。 据悉，本次展会以"高端绿色、智慧未来"为主题，设有两大特色展区、四大主题展馆和十三个特色专区，全面展 示工程机械产业在高端化、智能化和绿色化方面的最新进展。 展会上，三一集团展区内人头攒动，不少观众驻足于各款电动化、智能化设备前，仔细聆听工作人员讲解，主动 询问设备技术参数、应用场景与市场优势。 据悉，三一集团携新款SY245E电动挖掘机、"砼行"电动搅拌车等16款电动化、智能化设备亮相，涵盖12台电智化 主机，1台道依茨静音发电机组，电动挖掘机移动电源、三一遥控装载机座舱2款配件，以及充填成套设备沙盘模 型，让现场观众零距离体验行业最新电智成果。 其中，新款SY245E电动挖掘机支持4500次满充满放，已通过高原、高负载、高温、高寒、高湿、高粉尘等多工况 3000小时试验验证；"砼行"电动搅拌车搭载由三一与宁德时代共同研发的搅拌车专用电池，该电池以 ...

Core Viewpoint - The successful progress of the Jiangtai Yangtze River Tunnel and the North Yangtze River High-speed Railway projects highlights the effective integration of party-building initiatives into major infrastructure projects, enhancing construction efficiency and safety [1][2][3] Group 1: Project Achievements - The Jiangtai Yangtze River Tunnel has officially entered the critical phase of underwater excavation, marking a significant milestone as the world's longest underwater shield tunnel [1] - The North Yangtze River High-speed Railway has successfully completed the placement of the last 700-ton prefabricated box girder, showcasing the project's advancement [1] Group 2: Party-Building Initiatives - The implementation of a "five-party entry" party-building model has strengthened the organizational foundation at key projects, integrating party organizations into construction sites [1] - Regular activities such as "Project Classroom" have been established to disseminate party policies and theories to over 500 party members on-site [1] Group 3: Safety and Efficiency Measures - The establishment of 78 "Party Safety Pioneer Posts" has enhanced safety oversight, with party members taking the lead in ensuring safety and quality responsibilities [2] - A "Chief Service Officer" mechanism has been introduced, resulting in the completion of nearly 94% of housing relocation agreements within one month for the North Yangtze River High-speed Railway project [3] Group 4: Community and Worker Support - Over 80 supportive activities have been conducted to address the needs of frontline workers, enhancing their sense of belonging and security [3] - The integration of party-building efforts into project management has been recognized as a key factor in accelerating transportation infrastructure development in Haimen [3]

Core Viewpoint - The construction of the world's longest underwater shield tunnel, the Jiang Hai Tunnel, has entered a critical phase as the shield machine "Jiang Hai" successfully transitioned from land to the Yangtze River section, marking a significant milestone in the project [1] Group 1 - The "Jiang Hai" shield machine has achieved a tunneling distance of over 1500 meters, operating at a daily progress rate of 12 to 16 meters towards Suzhou Taicang [1] - The project team has conducted comprehensive inspections and evaluations of the shield equipment since August, focusing on key components such as the cutter head and tools to ensure optimal tunneling performance [1] - An expert group has been invited to assess the overall condition of the shield machine on-site, ensuring it meets the high standards required for underwater tunneling [1] Group 2 - To address challenges posed by long distances, high water pressure, and deep burial, the project team has significantly enhanced the reliability of the shield machine under high water pressure conditions [2] - The construction process utilizes a "Digital Shield" and "Smart Shield Control Center" system for real-time monitoring of critical parameters, ensuring safety and efficiency during tunneling [2] - An automatic early warning mechanism has been established to analyze vast amounts of data (603138) in real-time, aiding in precise adjustments of construction parameters [2]

Industry Developments - The Jiangsu province has commenced the construction of the world's longest underwater shield tunnel, marking a significant milestone in infrastructure development [3] - The software industry in China reported a revenue of 83,246 billion yuan in the first seven months of the year, reflecting a year-on-year growth of 12.3% [5] - The wholesale sales of new energy passenger vehicles in China reached 1.3 million units in August, showing a year-on-year increase of 24% and a month-on-month increase of 10% [5] Company Updates - Yuzhu Technology plans to submit its listing application to the stock exchange between October and December 2025, with operational data to be disclosed at that time [6] - Kaisa Group announced significant progress in its offshore debt restructuring plan, which is expected to take effect by the end of September, aiming to reduce debt by approximately 8.6 billion dollars [6] - Tesla has received only about 600 orders in India since its launch in mid-July, which is below the company's expectations, and plans to deliver between 350 to 500 vehicles to the country this year [6]

Group 1 - Harbin Institute of Technology (HIT) has established a diverse evaluation system for its National Excellent Engineer Academy, allowing students to obtain degrees based on various practical achievements rather than traditional thesis requirements [3][4] - The academy has partnered with numerous enterprises for joint training, currently hosting 927 graduate students and over 1,000 industry mentors, enhancing the integration of academic research and practical application [3][4] - The academy's approach aims to bridge the gap between theoretical innovation and practical enterprise needs, fostering a new generation of engineers equipped with both academic and industry insights [3][4] Group 2 - The "Jianghai" shield tunneling machine, developed by China Railway Construction Corporation, features a maximum excavation diameter of 16.64 meters and can advance 12 to 14 meters daily, showcasing advancements in domestic engineering capabilities [5][6] - The project emphasizes the importance of experienced engineering teams, with younger engineers gradually taking on core roles, reflecting a successful transition in workforce development within the industry [6][7] - The domestic engineering sector has evolved from reliance on imported machinery to achieving self-sufficiency in shield tunneling technology, supported by extensive practical experience in complex geological conditions [6][7] Group 3 - Hangzhou Lingban Technology Co., Ltd. has a workforce where 70% are engineers, focusing on the development of AR glasses that integrate various functionalities, demonstrating the company's commitment to innovation [8][9] - The company has successfully implemented its AR glasses in over 200 museums and various industries, highlighting the versatility and market acceptance of its products [9] - Future industry initiatives in Hangzhou aim to attract top talent and foster collaborative innovation, enhancing the growth and development of engineers in emerging fields [9][10]

Group 1: Harbin Institute of Technology's National Excellent Engineer Academy - The academy explores a diversified evaluation system for engineering education, allowing students to obtain degrees based on various practical achievements [1][2] - In 2022, the Ministry of Education announced the first batch of national excellent engineer academies, with Harbin Institute of Technology included [1] - The academy has partnered with numerous enterprises for joint training, currently having 927 graduate students and over 1,000 industry mentors [1][2] Group 2: Collaboration Between Academia and Industry - The academy's training program is designed to align theoretical innovation with practical enterprise needs, enhancing the relevance of research topics [2] - The collaboration has successfully transformed enterprise technical challenges into research projects, significantly shortening the time from laboratory results to production [2] - Students can now graduate with a master's degree without a traditional thesis, as demonstrated by a student who developed a patented solution for a complex engineering problem [2] Group 3: Future of Engineering Talent Development - The academy aims to strengthen partnerships with enterprises to customize the training of high-quality engineering talent [3] - The academy plays three roles: builder of industry-education integration mechanisms, innovator of talent cultivation hubs, and pioneer of degree evaluation reform [3] Group 4: Chinese Construction Industry and Shield Tunneling - The "Jiang Hai" shield tunneling machine, with a maximum excavation diameter of 16.64 meters, is a significant advancement in China's tunneling technology [5] - The machine can excavate 12 to 14 meters daily, showcasing the efficiency of the engineering teams involved [5] - The development of the "Jiang Hai" machine incorporates upgraded features and monitoring systems to enhance construction stability [5][6] Group 5: Engineering Workforce Development - The construction site employs a skilled shield tunneling team, with younger engineers gradually taking on core roles [6] - The domestic market has provided extensive practical opportunities for engineers, contributing to the advancement of tunneling technology [6] Group 6: Hangzhou Lingban Technology - The company has a high proportion of engineers, with 70% of its workforce dedicated to research and development by 2025 [8] - The company has successfully launched AR glasses, which are now used in over 200 industries, demonstrating the practical application of engineering innovations [8] - The local ecosystem supports the growth of engineers, fostering a collaborative environment for talent development [8]

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]

Core Insights - The construction of major engineering projects continues during the "May Day" holiday, with significant progress being made in various regions [1] Group 1: Jiangsu - Haitai Yangtze River Tunnel - The Haitai Yangtze River Tunnel, spanning 11.185 kilometers, is the longest underwater road tunnel in the world, currently progressing with a shield tunneling machine named "Jianghai" [1][2] - As of now, the "Jianghai" shield machine has advanced 200 meters at a rate of 10 meters per day, utilizing advanced technology for efficient operation [1][2] - The tunnel features a unique rescue vehicle passage for emergency situations, designed to enhance safety and efficiency, with an expected completion date in 2028 [2] Group 2: Jiangxi - Changjiang Navigation Channel Improvement Project - The Changjiang Navigation Channel improvement project in Jiangxi is actively progressing, with over a hundred workers on-site during the holiday [3] - The project, which started in October 2024 and is expected to be completed by the end of 2028, aims to enhance the annual cargo throughput capacity to 15 million tons [3][4] - Innovative management and technology have led to significant cost savings of over 100 million yuan and a three-month reduction in the project timeline [4][5] Group 3: Safety and Technological Innovations - The Changjiang Navigation Channel project employs advanced monitoring systems, including 22 4K cameras, to ensure safety and effective risk management [4][5] - The integration of smart management and technological innovations is transforming construction practices, enhancing efficiency and safety [5]

Core Points - The construction of the Haitai Yangtze River Tunnel, the world's longest underwater shield tunnel, is progressing well, with the "Jianghai" shield machine successfully advancing 200 meters and breaking through the 100-ring milestone [1][10] - The tunnel, located in Jiangsu Province, spans 39.07 kilometers, with an underwater section of 11.185 kilometers, designed for a dual six-lane highway with a speed limit of 100 kilometers per hour [3] - The project faces complex geological conditions, including soft clay and high water pressure, necessitating the use of a domestically produced 16-meter diameter shield machine [6] Engineering and Technical Aspects - The "Jianghai" shield machine features advanced technologies, including a constant pressure cutter head and an online monitoring system, achieving world-class standards [6] - The project team has optimized construction methods to address challenges such as shallow cover and the efficient assembly of large prefabricated components, with the largest weighing approximately 45 tons [9] - The tunneling speed has improved from 4 meters per day to approximately 14 meters per day after overcoming initial challenges [9][10] Strategic Importance - Once completed, the tunnel will significantly reduce travel time across the Yangtze River, allowing vehicles to cross in just 10 minutes, enhancing connectivity between cities in the Yangtze River Delta [10] - The project is crucial for promoting the integrated development strategy of the Yangtze River Delta region and fostering cross-river urban integration [10]