High-quality pob bearing tsim ua rau thawb thiab rub ntau dua
Aosite, txij 1993
High-quality pob bearing tsim ua rau thawb thiab rub ntau dua
Ob lub caij nplooj ntoos hlav drawer swb yog tsim los muab kev ua haujlwm du thiab ruaj khov. Ob chav springs ua rau lub tub rau khoom ua haujlwm zoo ib yam thiab tiv thaiv nws los ntawm sagging los yog tau daig. Qhov no ua kom ntseeg tau tias lub tub rau khoom tseem nyob ruaj khov txawm tias nws tau ntim tag nrho nrog cov khoom hnyav. Lub swb kuj tseem muaj qhov tseeb pob kabmob uas ua rau nws yooj yim glide, kom ntseeg tau tias qhov qhib thiab kaw lus yog ib txwm du thiab txhim khu kev qha. Nrog rau cov yam ntxwv no, ob lub caij nplooj ntoos hlav tub rau khoom swb muab kev ua haujlwm ruaj khov uas cov neeg siv tuaj yeem tso siab rau.