round manhole cover

 Advantages of Manhole cover:

1. Environmental Protection / Green
2. Stealing Prevention
3. Long life
4. High hardness
5. Enhanced aesthetic appeal
6. High and low temperature resistant
7. Easy operation

8. Non recoverable
 

Composite manhole lid main materials: epoxy polyester, fibre glass and other stuffing,products  be made by mould pressing and high temperatureand high press in one time.

Specification:

   The products are non recoverable,simply it can prevent from stealing;instead of metal materials,reduce cost and  resources Consumption;it has better  resist compression and loading than cast iron manhole cover;products is neat and refinement,no noise,no pollution, acid and alkaline resistant, age resistance(used in -50~200°C);low investing cost (only 70% of cast iron manhole),long lfie,good decoration, construction and turning  on convenient expediently etc merits.