23 . 02 month 23 2019 year
>Label:News
Elevator trunking operation process (5)
Trunking installation (1) Installation requirements for the trunking: 1 inside and outside of the slot should be smooth and flat, without ribs, and there should be no distortion or warping, and all ki...
15 . 02 month 15 2019 year
>Label:News
Elevator trunking operation process (4)
Metal expansion bolt installation (1) The concrete wall should be firm and strong, and its compressive strength should be no less than 24 MPa. The thickness of the concrete wall should be above 120 mm...
01 . 02 month 01 2019 year
>Label:News
Elevator trunking operation process (3)
Bracket and hanger installation requirements (1) The steel used for the bracket and the hanger should be straight and without significant distortion. The length and length of the material after cuttin...
26 . 01 month 26 2019 year
>Label:News
Elevator trunking operation process (2)
Reserved hole According to the axis part of the design icon, the prefabricated iron frame is fixed at the marked position, and straightened and straightened. After the cast-in-place concrete solidific...

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