J&R Technology Ltd yog ib qho ntawm Tuam Tshoj voip kev hu xov tooj thaum muaj xwm ceev chaw nres tsheb thiab cov chaw muag khoom nrog ib qho ntawm cov npe nrov, peb kuj muaj peb lub Hoobkas, peb yog cov tuam txhab tshaj lij thiab tuaj yeem muab koj zoo tshaj voip thaum muaj xwm ceev cov khoom nres tsheb. Txais tos mus yuav cov khoom lag luam zoo los ntawm peb.