Wind speeds are often low in periods (Summper ,eventually )when the sun resources are at their best .On the other hand ,the wind often stronger in sesons(the winter,in many cases...)when there are less sun resources .Even during the same day ,in many regions worldwide or in some periods of the year ,there are different and opposite patterns in terms of wind and solar resources .And those different patterns can make the hybrid systems the best option in electricity production .Hummer wind-solar hybrid system is suitable for this solution! Hummer wind turbine always makes great efforts in the way of how to make the green energy utilization is more efficient and economical for user .Now hummer wind-solar hybrid system enjoy great reputtion in the market , We will go on to do our best to let user get more benefits from the renewable energy resources .