Core Insights - The Wafangdian Bearing Group has developed the world's first super-large tonnage slewing bearing, specifically designed for a 4000-ton all-terrain crane, marking a significant breakthrough in China's core components for ultra-large engineering machinery [1] - This slewing bearing is currently the only domestic core component capable of meeting the lifting requirements for all onshore wind turbines of 8 megawatts and above, providing strong support for future wind power installation main models [1]

Group 1 - The core viewpoint of the article highlights the significant breakthrough achieved by the Wafangdian Bearing Group in developing the world's first super-large tonnage slewing bearing, specifically designed for a 4000-ton all-terrain crane [2][4] - This slewing bearing is the only domestic core component that meets the lifting requirements for all onshore wind turbines of 8 megawatts and above, indicating its importance in the wind power installation sector [4] Group 2 - The development of this product marks a major advancement in China's capabilities in the core basic components of ultra-large engineering machinery [2] - The new slewing bearing will provide strong support for future main models used in wind power installation, enhancing the efficiency and reliability of such operations [4]