Txhawm rau txo qhov kev pheej hmoo ntawm kev hnov ​​​​lus tsis hnov ​​​​lus, lub suab tiv thaiv tuaj yeem pab txo cov suab nrov.Cov neeg yuav tsum tau hnav lub ntsej muag tiv thaiv yog tias lub suab nrov lossis lub suab siab tshaj 85 decibels (A-weighted) lossis dBA.YUNBOSHI earmuffs muab kev nplij siab thiab ruaj khov rau cov neeg nyob hauv qhov chaw ua haujlwm nrov lossis hauv cov chaw pej xeem.Ua ib tus kws paub txog kev ntsuas kub thiab av noo, YUNBOSHI TECHNOLOGY muab cov khoom kom qhuav, nrog rau cov khoom siv kev nyab xeeb, xws li pob ntseg, cov khoom siv tshuaj lom neeg rau cov neeg siv khoom thoob plaws ntiaj teb.YUNBOSHI TECHNOLOGY yog tsom rau kev tshawb fawb thiab kev txhim kho ntawm nws cov av noo tswj technologies rau ntau lub khw muag tshuaj, hluav taws xob, semiconductor thiab ntim khoom.Peb tau pab cov neeg muas zaub los ntawm 64 lub teb chaws xws li Rochester-USA thiab INDE-India los ntawm ntau xyoo.