Rotary Compressor, Air Compressor, Oil Free Screw Compressor manufacturer / supplier in China, offering 50HP 37kw 250cfm Air Cooled Oil-Injected Rotary Screw Air Compressor with CE, 150HP 110kw Industrial Air Compressor OEM/ODM Oil Injected VSD Screw Type Compressor, Original Air Oil-Injected Rotary Screw Compressor 7/8/10/12bar 37kw 45kw Air Compress Machine and so on.