... .corrosion preventing treatment 4.Different wind place, different solution windmill generator:500w-10kw off-grid working system 2kw,3kw, 5kw,10kw ... ,20kw ,30kw,50kw on-grid working system Horizontal Axis Windmill generator:2kw-50kw pitch controlled wind turbine, off/on grid working ... the whole steady wroking system, also you can take any parts of the system from us. 2. Tower Tower type: guy ...