PRODUCT TECHNICAL SERVICE DEPARTMENT ntawm lub tuam txhab muaj cov kws ua haujlwm puv sijhawm los muab kev pabcuam txhua hnub hauv xov tooj, lub luag haujlwm muab cov neeg siv nrog kev txhawb nqa thiab kev pabcuam tomqab muag txhawm rau muab cov neeg siv cuam tshuam nrog sijhawm thiab sijhawm zoo. Sau cov lus tawm tswv yim thiab tuav cov txheej txheem kom txog thaum tus neeg siv khoom paub meej tias qhov teeb meem raug daws. Warranty Scope yog lub tuam txhab muab cov neeg siv khoom nrog cov khoom.
Lub sijhawm lav ntawm cov khoom siv yuav tsum yog ib xyoos tom qab tau txais cov khoom thiab kev lees paub ntawm cov khoom siv. Muab cov lus qhia ua haujlwm kom tiav, phau ntawv saib xyuas thiab saib xyuas cov ntaub ntawv ntsig txog kev ua haujlwm thiab lwm yam ntaub ntawv, tsis txhob zais cov lus qhia txog kev saib xyuas.
