The mining machinery industry is one of the important basic industries that provide equipment for the extraction and processing of solid raw materials, materials and fuels. It serves important basic industrial sectors such as black and colored metallurgy, coal, building materials, chemicals, and nuclear industry. Its products are also widely applied in infrastructure construction of basic departments such as transportation, railways, construction, and water conservancy and hydropower. Including jaw crushers, impact crushers, impact-impact crushers, compound crushers, single-stage hammer crushers, vertical crushers, gyratory crushers, cone crushers, roller crushers, double-roller crushers, two-in-one crushers, and one-step forming crushers, ball grinding mill; drilling machines and drilling rigs, platform drilling rig, shaft drilling rig and tunnel boring machine, shallow-cut deep-type dual (single) drum combined coal mining machine (or scraper), flexible scraper conveyor and hydraulic self-moving support; inertial vibrating screen and resonance screen; full-section air-lift microbubble flotation machine, multi-frequency dewatering screen, centrifugal separator, magnetic separator; tailings dry discharge system, roller dryer and etc.