On October 30th, a massive ring gear, manufactured for an overflow ball mill for a Shenzhen-based technology company, was undergoing precision machining at a large industrial factory. The component is astonishing in size: 9.7 meters in diameter and weighing 77 tons. The manufacturing team strictly adhered to all process requirements throughout the entire production process. Final inspection confirmed that all dimensions of the giant gear fully conformed to detailed engineering design specifications, demonstrating the factory's advanced capabilities in machining ultra-large, high-precision industrial components. This successful manufacturing highlights the region's expertise in producing critical heavy machinery components for global mineral processing and industrial applications.