DTH Hammer, DTH Bit, Shank Adapter manufacturer / supplier in China, offering 17-25 Bar Movable Diesel Screw Air Compressor Kaishan Kszj-31/25-34/17 Deep Water Well Air Compressor, Kaishan Portable Diesel Screw Air Compressor Kszj-31/25-34/17 Compresor De Aire De Tornillo for Construction Works, High Pressure Diesel Driven Screw Air Compressor Kaishan Kszj-31/25-34/17 17-25 Bar Air Compressor for Borehole Drilling and so on.