Shanxi Changzhi Sheepshead Ridge North Coal Co.,Ltd  belongs to shanxi changzhi sheepshead ridge coal co., Ltd. The assets is about 850 million, there are more than 620 employees, 89 staffs have college degree or above, 21 technical staffs and  11 senior technical staffs. It covers an area of 4.676k㎡ of mining field,the geological reserves is about 37.78 million tons and recoverable reserves is about 20.63 million tons. The production capacity can be reach 900000 tons/year after restructuring, it can exploitation 3 #, 9 #, 15 # coal seam, the service life is 20 years.The technology of One-pass mining has yet been used in all the coal face.