... Light weight Low starting torque High generating efficiency House-use 500w wind power turbine 1. Application House use, fish raft.2. ... serviceEffsun Wind Power CO.,LTD is a High-tech Enterprise of wind power industry in China. We mainly produce 300w,400w,500w,600w ... ,1kw,2kw,3kw,5kw,10kw,and 20kw small wind turbine group,wind ...