Air Compressor, Screw Air Compressor, Screw Vacuum Pump manufacturer / supplier in China, offering China Factory Price Screw Air-Compressor with Two 2 Stage Air End and Variable Speed Drive (VFD VSD) 8bar 10 Bar Pressure, Energy Saving 8 10 Pressure Two-Stage Screw Air Compressor Permanent Magnet Variable Speed Drive VFD/VSD Electric Screw Air-Compressor, China Manufacturer Direct Driven Permanent Magnet Variable Speed/Frequency (VSD/VFD) Two Stage Screw Compressor and so on.