Aluminum Heavy Duty Customized Recess Manhole Cover for Outdoor Use

Shelf time:

2024-06-17

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Description:

Special cast aluminum manhole cover for airport runwaySuitable for high-pressure six-proof special floor manhole covers at airportsnamecast aluminum manhole cover raw materialsthe manhole cover is made of aluminum alloy 107aperture700mm/800mmexteriorcustom madeload levelD400/E600water proofO-shaped