Special gas compressor as helium, natural gas, liquefied petroleum gas, petroleum gas, hydrogen, argon, ethylene, propylene, propane, methane chloride, ethyl chloride, ethylene oxide, partial fluoro ethane, carbon monoxide, ammonia, dimethyl ether, carbon dioxide, gas of various media increasing pressure equipment; in the petroleum, chemical, fertilizer, metallurgy, industrial gas, gas, food and other industries are widely used.
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