All our cables are sold with 12-36 months warranty, and for big quantity order, we will offer 0.3% to 0.5% backup for defective sent with order, so if you order 1000PCs, that means you can get 1003pcs with backup. If you get faulty more than 5pcs, and less than 0.1%, please contact sales and offer images, and we will solve your problem in the way of replacing with new order or refund.
