不锈钢人孔盖，EN124 D400重型方形检修盖

通过EN 124 D400认证的重型不锈钢井盖，配有内部钢筋，可提高承载能力。这种带有四个角提升孔的嵌入式可平铺盖子可以通过不锈钢挂钩轻松拆卸，非常适合市政道路、景观美化和交通繁忙的项目。

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