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Used in Europe and the United States, the world famous brand new original compressor, the double screw 5:6 tooth number ratio, advanced linear design, high efficiency and energy saving, than traditional compressor efficiency increase 20% - 30%. The latest high efficiency internal thread copper tube, enhanced heat transfer effect, more energy efficient. High efficiency active valve energy control, realize the classification or stepless energy control, balanced design, operation of the ultra quiet and smooth water cooled condenser using the latest high efficiency external thread copper pipe production, heat dissipation, small size.