Air Compressor, Rotary Compressor, Screw Compressor manufacturer / supplier in China, offering Easy Installation Water-Lubrication 315 kw 420 HP Oilfree Single Screw Type Air Compressors, Medical Industrial Silent 315 kw 420 HP Electric Water Lubrication Oil Free Screw Air Compressors, Energy Saving 315 kw 420 HP Water Lubrication Oil Free Screw Compressor for Making Machine for Sale and so on.