依各原廠規定為主，通常依購買憑證之購買日起計算，若無購買憑證則依照出廠日期計算。
購買日起七日內，產品有任何非人損因素的問題，且原包裝配件都在才可申請，並由原廠判定是否可換貨，其流程需7~10個工作天(不含假日)。
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