Rotary Compressor, Air Compressor, Oil Free Screw Compressor manufacturer / supplier in China, offering China Factory High Power 90kw 20 HP Oil Free Industrial Screw Air Compressor, Variable Frequency Water Lubrication 37kw Screw Air Compressors with Vacuum Pumps for Electronics Smelting Medicine, 10 Bar 30HP 8 Bar 380V 415V 60Hz Water Lubrication 100% Oil Free Reciprocating Mobile Single Screw Air Compressor and so on.