... power industry in China. We mainly produce 300w,400w,500w,1kw,2kw,3kw,5kw,10kw,and 20kw small wind turbine group,wind solar system ... and also offer the spare part .Technical parameter Rated power(w) ... C~+65°CAnnual generation Min/Max(kwh)450~900 Maximum power(w) 470Speed regulation method Mechanical Yawing +Electromagnetic Brake Generator ...