Annual output is 5 million tons. The plant was established in the early 1960s. After many technological innovations and equipment upgrades, it has now developed into a modern coal washing enterprise focusing on cleaning, coal preparation, and coal processing. At present, the annual production capacity of Qianjiaying Coal Washing Plant of Kailuan Group has reached about 5 million tons, which mainly produces high-quality bituminous coal and coking coal products with low sulfur, low ash and high calorific value. At the same time, the factory is constantly improving its production capacity and technical level. By promoting intelligent, informatization and other technical means, it has achieved both improvement in production scale and efficiency, making a positive contribution to ensuring domestic energy supply.