If sellers are not yet sent out the package:
Echainbuy customer service will contact sellers and exchange the goods.
If sellers already send out the your goods and package:
We are unable to exchange your goods. If you insist to exchange, please submit your exchange application after package arrived at Echainbuy warehouse, Echainbuy customers service will contacts sellers and arranges exchange the merchandise, but in this situation you need to bear the cargo returns delivery fee.
