Zhangjiakou Mine Machinery Co., Ltd. gave out the systematic solution of producing refined coal from the bridge stage loader. Coal material will be transport for primary crushing, diversion, coarse crushing, fine crushing, and finally become refining coal as the company expected. This technology can avoid the impact of coarse coal from the belt during unloading machine’s head, effectively reduce the failure rate of belt conveyor, reduce the work load of coal miners and improve the efficiency of coal mining.