Tsis rau kev nqa platform
Kev txhais ntawm lub luag haujlwm voj voog ntawm kev nqa platform
Cov kev ceev faj rau kev hloov ntawm cov kis thiab racks ntawm lub tshuab nqa
Cov kev ceev faj txog kev nyab xeeb kev hloov ntawm lub chaw nqa khoom
Cov kev ceev faj rau kev tiv thaiv lub caij nplooj zeeg tiv thaiv kev nyab xeeb ntawm nqa cov chaw
Tus txheej txheem ua haujlwm ntawm aluminium alloy of the elevator
Taw qhia ntawm tus kheej lub zog aluminium alloy elevator
Taw qhia rau Folding Nyom
Taw qhia ntawm taag aluminium alloy of the elevator
Taw qhia rau txawb txawb Alloy nqa
