开滦矿务局是中国特大型煤炭生产基地之一，从建矿至今已走过120个年头。年产原煤1850万t以上，年产冶炼精煤500万t左右，煤炭品种以肥煤为主，肥精煤产量占全国的30％，产品主要供应冶金、焦化和发电。新中国成立40多年来，开滦累计生产原煤7．2亿t，生产洗精煤1．8亿t，年原 Kailuan Mining Bureau is one of the largest coal production bases in China. It has been 120 years since its establishment. With an annual output of more than 18.5 million tons of raw coal, with an annual output of about 5 million tons of smelting coal, mainly coal varieties of fat coal, fat coal production accounts for 30% of the country, the main supply of metallurgical products, coking and power generation. For more than 40 years since the founding of New China, Kailuan has accumulated a total of 720 million tons of raw coal, produced 180 million tons of clean coal,