Poultry.Greenhouse Exhaust fan , cooling fan 1.low power; 2.low noise; ... steel wire, thickness 2.8mm.Electrical motor, national-grade aluminum alloy frame motor, 380V, 1.1KW, 50Hz, 3 ... %, top/foot mounted, certification, CCC.(motor can be supplied as demand)Motor bearing, national grade. V-belt, ... computers, which maximizes the effectiveness of the fan. Ten strict procedures that consist of airflow test ...