... high efficiency. 2.Multistage compression. 3.Easy maintena Xinyi Gas CompressorStructures & Features1.Reasonable design and high efficiency.2. ... NH3, CO2, Ar, H2, O2, CH4 and other gas mixtures.Xinyi High-pressure Oil-free CompressorFeatures:1. It can ... voltage, frequency, starting mode etc.)10.surrounding environment (indoors, outdoors, explosion-proof, non-explosion-proof, noise restriction etc.)11. ...