... or rainy, day or night, as long as there is wind, the wind turbine works at any time ; if there is the ... the service life of up to 20 years;7.The controller uses our own technology, using microcomputer automatic control system, automatically ... Fengying Energy Science& technology Limited Company, Inner Mongolia Dongxing Fengying Wind Power Equipment Co., Ltd, and Guizhou Fengying Energy Science& ...