中国建筑：承建了多个大型矿业基地项目，包括内蒙古大乌淀石墨矿项目等

Core Viewpoint - The company is actively involved in constructing large mining bases to support energy security and regional economic development [1] Group 1: Mining Projects - The company has undertaken several significant mining projects, including the Inner Mongolia Dahuadian Graphite Mine Project [1] - The company is involved in the expansion and renovation of the coal mine in Tokkuz County, Xinjiang, with a capacity of 1.2 million tons per year [1] - The company is also engaged in the granite mining project in the Jafashalsu area of Toli County, Xinjiang [1]