Recently, Shaanxi Company used the fine coal, final coal bunker and original coal bunker of Dahaize Coal Mine to store 100 thousand tons of coal for its chemical company, successfully realized the joint coal reserve, effectively reduced safety risks brought by a large number of vehicles entering the factory during the winter coal storage unloading and reverse transportation, avoided the environmental pollution brought by the landing of winter coal storage, reduced the winter coal secondary reverse transportation cost of 500,000 yuan. It also provided guarantee for the company's benign linkage, precise connection and high quality development. (Shaanxi Company)