When you purchase online, you will find a interesting phenomenon:
Same product, different supplier, warranty different years.
Why? Does waranty longer years product use better material or technology?
The Ture answer is: THEY ARE SAME PRODUCT SAME TECH SAME MATERIAL.
Warranty longer years is a marketing strategy, it will be very helpful when customer tangled on different supplier.
They need live first, whether have ability support 5 years warranty is the things future need consider. If their company died, of course no one have this warranty. If they get more order raised money by this strategy, of course they have money to pay for warranty.
Moreover, there are many tricks during warranty process, for example how to prove it is non-artificail, shooting picture and video evidence, wait long time, and so on. Most customer will think it is too complicated and give up, only little customer get the warranty.
Instead of looking at longer warranty, it's better to looking no reason replaced new one warranty once happened quality defect.
What you think？