1.Composite square manhole cover features

 

 (1)  Environmental protection

 

With raw material non-toxicity, it will not influence to user;

 

(2) Saving mine resource

 

Composite square manhole cover is made by regenerated resin or regenerated plastic raw material, which save application of cast iron.

 

(3) Longevity

 

Acidalkali and corrosion resistance; Anti-rust; insulation; anti-abrasion; weatherability; excellent anti-pressure capability;

 

(4) Competitive price

 

The price of compound manhole cover  is lower than stipulated standard cast iron ones;

 

(5) Light weight

 

The weight is 1/3 lighter than cast iron ones so that it is convenient to transport, install, rush repair; construct easily and reduce working intensity;

 

(6) Nice appearance

 

Outstanding dying, rich colors; the cover is not sprayed in surface but painted in whole material so that the color can keep lasted;

 

With clean, smooth surface, it will be consistent with the lawn or ground, beautiful and functional;

 

(7) Anti-theft

 

Non-recycle, anti-theft naturally; the lock attachment can prevent tunnel products from losing, therefore city blackhole can be stopped totally;

 

(8) Low noise

 

Harsh noise and rebounding free when car rolls

 

2. Composite square manhole cover applications

 

 

 

(1).Electric power pipeline well; post, telecommunication, communication pipeline well;

 

(2) Street lamp well, fire control well, all kinds of valve wells;

 

(3) City water, drainage pipeline well; heat supplied, gas well;

 

(4) As cover board for anti-corrosion project, open ditch; it as well as can be made according to customers requirements.