Round plastic sewer manhole cover

Brand:aa

Product detail:

sewer manhole  

Product	model	color	material
sewer manhole	round 500	any	composite resin,fiberglass

  

                                        

Sewer manhole

 

 

   1.   Save mineral resources

 unsaturated polyester as raw material

 

  2.   Environmental protection:

 with environmental raw material, non-toxic, harmless to the user,  beautifies the urban environment.

 

  3.    Longevity:

high strength, corrosion resistance, light weight, rust-proof, anti-aging

 

  4.    Light weight:

 product weight is only about one third of cast iron, easy to transport, install, repair, greatly reducing the labor intensity.

 

  5.    Security:

 The composite plastic composite material recovery value-free, natural anti-theft; according to customer needs and has a locking mechanism to achieve the wells of property theft.