According to the enterprise data, Taiyuan Dongshan Coal and Electricity Group Co., Ltd. was established on 20 12-08-24, and its business scope includes the sales of coal products, coal preparation, industrial and mining products, building materials, steel products, hardware and electric materials, electromechanical products (excluding automobiles) and labor protection articles; Enterprise project investment management consulting; Installation and maintenance of mining machinery and common electromechanical equipment; Lease of self-owned houses; Training of safety management personnel and special operators in coal mining enterprises (only for branch operations); General cargo transportation. (Projects subject to approval according to law can only be operated after approval by relevant departments) * * *