Shanxi Dongyi Coal and Electric Power Aluminum Group was established in 2000 and is a private enterprise group integrating power, metallurgy, chemical industry, building materials, logistics and trade, and vocational education. Dongyi mainly conducts the production and distribution of electricity, raw coal, refined coal, coke and chemical products, ferroalloys, magnesium and magnesium alloys and magnesium alloy products, cement, commercial concrete, and high-reactive calcium oxide. It is headquartered in Xiaoyi Economic Development Zone (Wutong Town), Shanxi Province, covering an area of ​​more than 3,000 acres. Dongyi has formed an industrial operation pattern of "three centers, five major sectors, and three groups of chains", and has 17 wholly-owned, controlled and invested enterprises. Dongyi’s development of circular economy chain-based development is the development concept that was born with Dongyi Group in 2000, and it is also the original intention of Dongyi people to contribute to society.

Over the years, Dongyi has adhered to the concept of "there is no absolute garbage in the world, only resources placed in the wrong place", and has done a lot of work in comprehensive resource utilization and product extension, and has embarked on a circular economy, extending the industrial chain, and improving it. The path of sustainable development with environmental quality and economic benefits. Through the upstream and downstream linkage, complementary advantages, closed-circuit circulation and other models of various sectors within the group, Dongyi has truly achieved the green development of circular economy with zero emissions of waste such as solid, gas, and liquid. Shanxi and even the whole country have a certain demonstration role.