Cov cuab yeej raug: xyuas kom meej tias cov khoom siv high-frequency welded steel yeeb nkab muaj cov cuab yeej ua haujlwm siab kom lav qhov tseeb qhov tseeb thiab cov duab ruaj khov ntawm cov kav dej welded.
Cov cuab yeej ruaj khov: Txhim kho kev saib xyuas thiab kev pabcuam ntawm cov khoom siv kom txo tau qhov tsis ua haujlwm thiab ua kom nws ruaj khov thaum lub sijhawm ua haujlwm ntev.
Kev Xaiv Cov Khoom Siv: Xaiv cov khoom tsim nyog cov qauv thiab cov lus qhia tshwj xeeb raws li kev tsim khoom kom ntseeg tau tias cov cuab yeej tuaj yeem ua tau raws li qhov xav tau ntau lawm.
