중국드릴 기계, 나사 공기 압축기 제조 / 공급 업체,제공 품질 21 Bar High Pressure Mobile Diesel Screw Air Compressor for Mining Quarry Blasting and DTH Drilling Projects, Factory High-Efficiency Portable Diesel Rotary Screw Air Compressor for Mining Quarry Road Construction and Rock Blasting, 21m³/Min 21bar High Pressure Mobile Diesel Screw Air Compressor for Construction 등등.