Note:
there is no new circuit board on the market, are second-hand.
Our products are guaranteed and tested to ensure that the quality is not defective before delivery.
After-sales service:
1. We Returned goods of refund , but not only refund.
2. If you are damaged or unable to use the goods, please contact us for replacement or refund. The returned items must conform to their original state.Please don't bring up the dispute.
3.If the goods are returned, the buyer shall be responsible for the transportation costs.