The company originated from the 18th Army Road Construction Engineering Team that built the Sichuan-Tibet Highway in the 50s of the last century and the Southwest Highway Administration Bridge Construction Office, and is an important founder of the “Two Roads” spirit. Through the continuous efforts of generations of road and bridge workers, the company has evolved from a simple construction enterprise to a large-scale integrated engineering operator with international competitiveness. Its main business covers investment, development, construction and operation in engineering construction, mining, new materials, clean energy and other industries, and the market covers 29 provinces, cities, autonomous regions and more than 20 overseas countries and regions. The company is mainly engaged in investment, development, construction and operation of engineering construction, mining, new materials, clean energy and other industries. The main products include engineering construction, mining and new materials, clean energy, etc. Corporate honors: Top 100 Listed Companies; National Earthquake Relief Heroes Collective; Golden Bull Award for Listed Companies; Reputation List for Listed Companies; Top Ten Leading Brands; National Civilized Unit.