Taiwan San Ju SJ2808HA2-iron fan blade

frame:aluminum ADC-12
Bearings:double ball bearings
Voltage:AC 110 v 220 v 380v
Life:60000 hours at 20 ℃-ball bearings
Operating temperature:-20 ℃ ~ 85 ℃ normal humidity
Storage temperature:-30 ℃ ~ 140 ℃ normal humidity