For beneath the sunlit city above is a great criss-crossing warren of supply mains that must be attended. Although easy to stride over without a glance as it seems to recede into the road. , A manhole cover is generally deemed as a recessed lid that allows vehicles and pedestrians to pass over and is accessible to maintain the subterranean systems.
Uncovered sloping manholes will cause a series of safety hazards, such as slipping when running, and a greater risk of falling when riding a bicycle. Composite manhole covers can not only be customized for bolt down fixing, but also rotate stop, bump stop The anti-slip pattern on the surface still maintains the anti-slip level of BPN 45 even in rainy weather. Even if the bicycle is turning on the manhole cover quickly, it is difficult for the forum to slip. Visit the jinmeng website to get anti slip manhole covers details