Like this formal website, will give you the invoice and the national joint warranty of the goods Don't worry,

As for your question, the price, because the Jingdong and so on are belonging to the online store, so the cost is low ah,

If you are to open a store to sell cell phones, then the store rental fee, shoppers, salesmen are not all costs.

It's all about selling cell phones to make a profit, so it's a must that the malls are more expensive than online.

But you can refer to that price to the mall bargaining look,