What is your return policy for defective products?（对于有缺陷的产品，贵公司的退货政策是什么？）

For defective products confirmed by our quality team, we offer free replacement or full refund within 30 days of delivery. Return shipping costs will be covered by us if the defect is due to our quality issues.（经我们质量团队确认的有缺陷产品，我们在交货后 30 天内提供免费更换或全额退款。如缺陷因我方质量问题导致，退货运费将由我们承担。）