The manhole covers is very well causticity-resistance ,which are applied used more and more in petroleum, chemical, metallurgy
we use the new type of composite material that is the earliest one in guangdong province.These material is the best alternative of Cement, steel.They have the following characteristics:
1.Environmental protection non-toxicity raw material
2.Longevity 10-15years
3.Features anti-corrosion,anti-rust,anti-abrasion, excellent anti-pressure capability. Insulated electric and high-temperature.
4.Competitive price lower than stipulated standard cast iron one.
5.Light weitght 1/3 lighter than cast iron ones.
6.Nice appearance Not only is sewage products, but also a kind of art.
The manhole covers
