1. Hall door frame elevator ceilings, door cover, hall door installation position is correct, firm and reliable, verticalit1000; 2, hall door sill levelness ~ 5mm above ground level; 3 Door leaf and door leaf, door leaf in door cover, gap […]
1. Hall door frame elevator ceilings, door cover, hall door installation position is correct, firm and reliable, verticalit1000; 2, hall door sill levelness ~ 5mm above ground level; 3 Door leaf and door leaf, door leaf in door cover, gap […]