Dongguan Qunhai Electronics Co., Ltd. tau tsim nyob rau xyoo 1996, tsom mus rau R&D thiab tsim cov khoom siv cov duab digital. Nws muaj R&D, Chaw lag luam thiab chaw tsim khoom hauv Beijing thiab Guangdong, Suav. Cov khoom tseem ceeb yog Lub Koob Yees Duab Lub Cev, kuj tseem hu ua lub cev cam,body hnav lub koob yees duab (BWV), lub cev hnav lub koob yees duab lossis lub koob yees duab hnav. Nws yog ib qho ntawm ob peb lub tuam txhab muaj txiaj ntsig hauv kev lag luam nrog kev ywj pheej ntawm cov tswv cuab kev txawj ntse thiab cov thev naus laus zis.
Peb lub tuam txhab muaj txoj kab kev lag luam tiav, los ntawm cov khoom siv los txog tshuab ntau lawm, peb tau ua tiav cov khoom siv, kev ua tiav kev lag luam thiab cov khoom sib koom ua ke.
Lub cev hnav cov vis dis aus muaj ntau yam kev siv thiab qauv tsim, ntawm qhov zoo tshaj plaws-paub siv yog ib feem ntawm cov khoom siv tub ceev xwm. Lwm yam kev siv suav nrog lub koob yees duab ua si rau kev sib raug zoo thiab kev lom zem (suav nrog kev caij tsheb kauj vab), hauv kev ua lag luam, hauv kev noj qab haus huv thiab kev siv kho mob, hauv kev siv tub rog, kev sau xov xwm, pej xeem sousveillance thiab keb soj ntsuam.