1, Four Wheels Driven 2, Working Pressure: 7 Bar ... Blasting, Mining, Coal etc.2, High Quality Piston Low Pressure Mobile Diesel Air CompressorMain Technical Data:Model: CVFY ... rig, air compressor, rock drill, the drilling parts, loader, excavator and diesel engine, and diesel engine complete ... dth hammer, motor, joint etc, diesel engine parts. (Low Pressure, Middle Pressure, High Pressure)2), We have own ...