Dear Sir/Madam,We supply exhaust fan with good quality and very competitive price.Our company can provide poultry fan,exhaust fan,gardening fan,circulation fan,evaporative cooling pad,automatic fuel,coal,eclectric heater, poultry automatic feeding system which contains 10 series of more than 100 varieties of specifications.We also supply agriculture machinery, include wheel loader,tractor, combine harvester, transplanter, seeder,fruit bag machine, oil mill, elevator, potato harvester, combined cultivator,cotton fluffer, land leveller machine, forklift ect.Hope to be a partner of your company!Email me or just call me directly. Thank you!