1.All the items will be tested one by one before shipping .
2.After receiving the products ,please contact us within 7days if there is any problem about our products,we will according to the problems to make a return or refund .
3.please check the product attributes and pictures carefully to be sure you buy the right item,otherwise the products can not be replaced .
4.whatever happend ,please contact us as soon as possibly , we will try our best to solve your problems.
5.A long-term partner will be offer more preferential policies
and we aways try our best to be your long-term partner !