包換

to guarantee replacement (of faulty goods) / warranty

surname Bao

to cover / to wrap / to hold / to include / to take charge of / to contract (to or for) / package / wrapper / container / bag / to hold or embrace / bundle / packet / CL:個|个[ge4],隻|只[zhi1]

to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency)

replacement guaranteed if not genuine / fig. authentic