Chang Sha Wan Bao·2025-05-17 09:49Core 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]