Guarantee
1.Each product from Okaychip has been given a warranty period of 365 days .During this period , we could provide free technical maintenance if there are any problems about our products.
2.If you find quality problems about our products after receiving them , you could test them and apply for unconditional refund
if it can be proved.But it's just on this premise that the product is not used and the packing is not damaged .
