Screw Compressor, Screw Vacuum Pump, Screw Air Compressor manufacturer / supplier in China, offering Xzv-15A VFD Pm Screw Air Compressor Ultra-Efficient & Intelligent Air Compression Solution, 15kw Permanent Magnet Variable Frequency Integrated Screw Air Compressor – VFD Pm, 7.5kw/10HP Permanent Magnetic Variable Frequency VFD Pm Screw Air Compressor and so on.