Profile: Henan Dayu Industry Co., Ltd. is a manufacturer of drilling rigs and air compressor. Our main products include mining drilling rigs, water well drilling rigs, down the hole drill rigs, rock drill rigs, screw air compressors, reciprocating air compressors, cylinder liners for combustion engines, pavement drill machines, down the hole drilling rigs, roof bolting drills and pressure vessels. Our mining drilling rigs include pneumatic drilling rigs, hydraulic drilling rigs, integrated drilling rigs and down the hole drilling rigs. We also offer drilling hammers/impacters, drill bits and drill rods. Our air compressors include movable diesel screw air compressors, electric power screw air compressors, piston air compressors and crawler drill rig matched air compressors.