矿井、薄煤层综合采掘设备（500 万吨/年及以上产能），1000 万吨

Mine, thin seam comprehensive mining equipment (500 tons / year and above capacity), 10 million tons / year and above large-scale open pit key equipment; and more than 12,000 meters deep drilling rig, rig polar, high displacement of deep drilling rig desert, swamp difficult to enter the area with the rig, offshore drilling rig, truck-mounted drilling rig, the drilling process equipment with special rig drilling rig

Mine, thin coal seam integrated mining equipment (5 million tons / year and above production capacity), 10 million tons / year and above large open-pit mining key equipment; 12000 meters and above deep drilling rigs, polar drilling rigs, high-shift deep well desert drilling rigs, marsh difficult to enter the area with drilling rigs, marine drilling rigs, vehicle drilling rigs, special drilling rigs and other drilling rigs complete sets of equipment

Comprehensive mining equipment for coal mine and thin coal seam (5 million tons / year and above), key equipment for large open-pit mine of 10 million tons / year and above; complete set of drilling equipment for deep well drilling rig, polar drilling rig, high displacement deep well desert drilling rig, drilling rig for swamp hard to enter area, marine drilling rig, truck mounted drilling rig, drilling rig for special drilling technology, etc