Ec Fan, DC Brushless Fan, External Rotor Motor Fan manufacturer / supplier in China, offering 400*140mm 48V IP44 153W DC Axial Flow Fan with Safety Grid, IP55 300mm 115V Plastic Blade Ec Axial Exhaust Fan for Equipment, 570*186mm 700W Ec Industrial Plastic Blade Axial Fan Fan with Guard Grille and so on.