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Ctturbine is brand of Vertical Axis Wind Turbine held by China Tech Group. Its founders have been developing a series of VAWT, including Hybrid, Darrieus and Savonius. Also they have improved tradional types of these three blades. Ctturbine VAWT fully uses areodrnamatic between every piece of vane, which finally make size of blades smaller, rated wind speed lower,at about 6m/s(13mph) and more efficient than Horisonal Axis Wind Turbine (HAWT).

They are suitable to be installed in city...[Click for details]