Q: About HEPA filter lifetime?
A: The lifetime will vary depending on the hours of usage, air quality and location of the air purifier. Normally the filter will need to be replaced 6-8months.
Q: Are you manufacturer?
A: Yes, we are the manufacturer with experienced and improved R&D, production, sales and after-salesservice.
Q:What's your advantages and why we should choose you?
A:(1) 15-year-old rich manufacturing experience, which makes us know product and market better, andknow what you need and suit.
(2) As a factory, we never pursue big profit, a reasonably narrow margin to support our workers and staffis our target, so you never have to worry HIGH price you might get from us.
(3) Rich experience in OEM& ODM, what you need and want are what we are good at.(4) Big supply ability, 20000 sets/ day, and could be enlarged according to real demand.
Q:Can i have free samples to test?
A: Yes, for the first time you work with us, the courier fees will be prepaid and we will return you the feeswhen you place your first formal order.
Q:What's your delivery term?
A: No less than 30% deposit upon order confirmation, and full balance payment before shipping.
Q: What kind of guarantee do you offer?
A: We provide 1 year warranty for all our items.
Q: What is your terms of paymelnt ?
A: Payment< = 1000USD, 100% in advance. Payment> = 1000USD, 30% T/T in advance ,balance beforeshippment.