CHINA RAILWAY(SH:601390) Zhong Guo Xin Wen Wang·2025-05-08 10:09Group 1 - The global technology solicitation event for "Deep Space Intelligent Excavation and New Mining Equipment" was officially launched in Zhengzhou, China on May 8, 2023, with the theme "Breaking Boundaries, Moving Deep" [1][3] - The event aims to address key technological bottlenecks in deep space development, focusing on four core areas: intelligent and efficient excavation equipment for deep mines, new mining processes and equipment for extreme deep environments, prevention of geological disasters in deep mining areas, and environmentally friendly construction in multi-field coupled environments [2][5] - The solicitation is open to global research institutions, high-tech enterprises, and international innovation alliances, encouraging interdisciplinary teams to participate, with a collection period lasting one year starting from May 10, 2025 [5] Group 2 - The event is part of a broader initiative to promote innovation in excavation equipment, transitioning from mechanization to intelligence, particularly in response to challenges such as high temperature, high pressure, and water inrush in kilometer-level deep space development [5] - The largest diameter shield machine exported from China, with a diameter of 15.7 meters and a length of approximately 113 meters, is being prepared for delivery for a project in Western Australia [5]