manhole cover

Product Description

“Ding” series manhole covers and water grates adopt high strength composite material which has high polymer and high density , so that this products have anti-impact and anti-stretching , endure abrasion and endure erode . The technology levels all exceed congener products (such as cast iron , steel-fibre cement , hand-paste resin well lid ). The products are widely used in fields as town road, realty , communications, waterpower , chemical plant , coal gas , class runway , etc .they are perfect update products . Advantages of “Ding”composite manhole covers are: 1.Aganist theft The compound manhole covers have no value of recycling, thus completely solving the problems caused by theft. 2. Longevity Desirable shock-resistance; anti-bending strength; high abrasion resistance, ; high erosion resistance; desirable breakage security; anti-aging properties. 3. Artistic appearance Rich colours; smooth appearance; the colour of covers can keep lasted. 4. Moderate price and light weight Compared with cast iron ones, the weight of compound manhole cover is lighter so that it is convenient to install, transport. 5. The load and dimension can be designed