Pofuna kuchepetsa chiopsezo cha kumva, woteteza kumva angathandize kuchepetsa phokoso.Anthu ayenera kuvala zoteteza kumva ngati phokoso kapena mulingo wa mawu ukuposa ma decibel 85 (A-weighted) kapena dBA.Makutu a YUNBOSHI amapereka mwayi womasuka komanso wokhalitsa kwa anthu omwe ali m'malo ochitira phokoso kapena m'malo opezeka anthu ambiri.Pokhala katswiri wa zothetsera kutentha ndi chinyezi, YUNBOSHI TECHNOLOGY imapereka makabati owumitsa, komanso zinthu zotetezera, monga makutu a khutu, makabati a mankhwala kwa makasitomala padziko lonse lapansi.YUNBOSHI TECHNOLOGY imayang'ana kwambiri kafukufuku ndi chitukuko cha matekinoloje ake owongolera chinyezi m'misika yosiyanasiyana yamankhwala, zamagetsi, semiconductor ndi mapaketi.Takhala tikutumikira makasitomala ochokera kumayiko 64 monga Rochester--USA ndi INDE-India kwa zaka zambiri.