products warranty promised,bbm company show you our best sincerity!

Product Quality Warranty

To Whom It May Concern:

BBM TECHNOLOGY COMPANY LIMITED promises our xxx(Model: xxx) 24months quality warranty.Ifduring warranty period there are any problems with it, please contact me within 7days

once you found them. We promise change all broken parts or renew with you for free.

This certificate is valid until end of 20xx.

Very truly yours,

BBM

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