According to the inquiry, Pubai Mining Bureau, established in 199, is located in Weinan City, Shaanxi Province, and is an enterprise mainly engaged in non-metallic mineral mining and dressing. The registered capital of the enterprise is 197.5 million RMB. Through the analysis of big data from Tianyancha, Pubai Mining Bureau * * * has invested in 12 foreign enterprises; There is one piece of patent information on intellectual property; In addition, the enterprise also has five administrative licenses. Business scope: coal mining, production and sales, railway transportation, thermal power generation, comprehensive utilization of ash, production and sales of drinking pure water, stratum mapping and exploration, engineering drilling and construction, manufacturing and processing of cement, cement accelerator, high-alumina clay (kaolin), refractory materials, casting harvesters, mining support products, manufacturing and repairing of special equipment and accessories for coal mines, processing, printing, typesetting, typing and copying of wooden industry and building accessories.