We are wind turbine manufactory since 2003, wind turbine system ranges 500w, 1kw, 2kw, 3kw, 5kw, 10kw, 20kw, 30kw, 50kw.both grid tied wind turbine and off grid wind turbine system available.100kw wind turbine is under test will coming soon. Hummer is specialized in the researching, manufacturing and providing medium and small sized wind turbine,as well as providing solutions for small wind farms,further more,each of the wind turbine system could upgrade to wind solar hybrid system by adopting ...