Tus qauv tsim ob sab, nrog rau tag nrho 14 khub ntawm Olympic bar ntes, muab ntau qhov chaw cia khoom hauv qhov chaw me dua, thiab tus qauv qhib ua rau nkag tau yooj yim. Ua tsaug rau DHZ txoj saw hlau muaj zog thiab kev tsim khoom, cov qauv thav duab ntawm cov khoom siv yog ruaj khov thiab muaj tsib xyoos warranty.
