Circulation fan

High-quality Poultry fan 1.100% copper motor 2. Low noise &high effieciency 3. Energy saving ---Cast iron shell for motor with excellent heat disperse effect; ---Low noise ball bearing, over-heat thermal protection, long service life motor; ---Superior light steel sheet structure with fine rigidity, light weight, elegant appearance and convenient installation. ---Adopt CAD optimizing fan blade, large air volume, low noise and stable operation. ---Fan guard is optional; 1)