Muaj feem xyuam rau txhua yam ntaub ntawv nws pib-lub cev nrog rau txhuas, aluminium alloy, hlau, tooj liab.
Invert thev naus laus zis ua kom muaj kev ua haujlwm siab, ruaj khov thiab tsis ua haujlwm tsawg
Kev ua haujlwm siab transformer kom ntseeg tau tias vuam
Nruab nrog ntau yam phom thiab cov khoom siv los npog cov dents sib txawv.
Yooj yim hloov ua haujlwm
Haum rau kev kho txhua yam ntawm nyias vaj huam sib luag deformation.