Wujiu Coal Group, the abbreviations of Yakeshi Wujiu Coal (Group) Co., Ltd. of Inner Mongolia, started from Wujiu Coal Mine, which was developed and constructed in 1957. In December 2006, it was merged and reorganized by Sundiro Holding Co., Ltd., and in September 2012, 49% equity was transferred to Shandong energy Zaokuang Group for management. It is a mixed-ownership coal enterprise with coal production and sales as its main business, integrating power generation and supply, logistics and other industries. The registered capital of the company is 729 million yuan, and the annual profits and taxes paid are 150 million yuan. By the end of 2020, the company had total assets of 1.9 billion yuan and net assets of 900 million yuan, with 9 functional departments and 4 secondary units and 2,600 employees.

The company has two pairs of production mines, with an approved production capacity of 3 million tons and a resource reserve of 1.3 billion tons. The products are mainly long-flame coal with low sulfur, low phosphorus, low ash, and high calorific value. Because of its outstanding advantages in coal quality, transportation, and price, it sells well in Liaoning, Jilin, Heilongjiang, Inner Mongolia, and other regions, and is widely used in heating, electric power, building materials, metallurgy, chemical industry and other industries. 

Since its establishment, the company's economic contribution rate has ranked first among local enterprises in Yakeshi for many years. As a regional essential enterprise, it has won the "National May Day Labor Award", "National Advanced Unit of Enterprise Culture Construction in Coal System" and many honors issued by Inner Mongolia Autonomous Region and Hulunbeier City.