1. According to the inquiry, Shaanxi Coal Group is a large-scale energy and chemical enterprise established by Shaanxi provincial government to promote the sustainable development of coal industry and build a strong economic province in the west, which belongs to department-level units, while Shaanxi Drum Group is a private enterprise.

2. Shaanxi Coal Group is involved in coal mining, coal chemical industry, new energy and other fields, and is one of the important enterprises in Shaanxi Province, while Shaanxi Drum Group mainly focuses on the research and development, manufacturing and sales of blowers, turbine machinery and other equipment, and its products are widely used in metallurgy, petrochemical industry, electric power and other fields.