Wind turbine 300-400-600-800-1200 watt

Stainless steel screw bolt from “THE”. \Primary aluminum housing, not secondary aluminum. Low start-up wind speed \ High-efficient Generator \Perfect Wind Wheel System Unique Design Of The Rudder \Damp-proof, sand-proof, Anti-rust, Anticorrosion Easy installation, Free of maintenance, Long lifespan over 15years.