Rotary Compressor, Air Compressor, Oil Free Screw Compressor manufacturer / supplier in China, offering VSD Oil-Injected/Oil-Free Screw Air Compressor for Carton Plant Using, High Efficiency Industrial 7.5-315 Kw Direct Driven AC Power Rotary Screw Air Compressor, Near-Silent Operation Oil-Injected 120cfm 22kw/30HP Rotary Screw Air Compressor for Mechanical Workshop and so on.