Light-reflecting Manhole / Manhole Cover

The “Light-reflecting manhole cover” is a kind of special cover with an function of cautionary reminder. The holes on the cover’s surface compose warning patterns or symbols, which solve the latent danger from covers under open state. In the daytime people can clearly identify the warning patterns or symbols on the covers through natural light, at night or low light conditions, vehicle or street lights shining on the covers will clearly reflect the cover’s warning patterns or symbols on the ground, so as to guarantee the safety of pedestrians and vehicles. Meanwhile, the porous covers also make it easier to drain away the water on the ground