Rotary Compressor, Air Compressor, Oil Free Screw Compressor manufacturer / supplier in China, offering 100HP 4-in-1 Pm VFD Oil-Injected 8-13bar Screw Air Compressor for Machine Cutting, Good Quality Sound Proof Cotton Silent Air-Compressor Rotary Type 75kw 100HP Screw Air Compressors, Bobair Industrial VSD Compressors 19.8m3/Min 0.8MPa/1.0MPa 110kw 150HP Screw Air Compressor and so on.