Established in 1956, Kaishan Group is an manufacturer of rock drills in the world, and an manufacturer of air compressors in China. Kaishan Group specializes in producing air compressors, pavement construction machinery, water well equipment, rock drilling machinery, etc. Rock drilling machines include DTH drill rigs, anchor stock drills, cutting drill rigs, rock drills, etc. Water well equipment includes water well drills and other products. Pavement construction machinery includes crawler loaders, air picks and other products. Air compressors include screw air compressors, piston air compressors, centrifugal air compressors and other products.