1, Specialized for 16 years 2, Exported to Africa, South America etc 3, Good price, good quality 4, Fast Delivery 5, ISO9001 1, Rotary Screw Portable Cummins Engine Oil Saving Air Compressor Application: Mining, Ore, Factory, construction, industry etc.Mining: air compressor work with rock drill, rock drilling rig etc. Ore: air compressor work with water drilling rig. Factory: sand blasting, dust ...