heavy duty ductile iron manhole cover - EN124

1. Environmental protection
With raw material non-toxicity, it will not influence to user.

2.Saving mine resource
It is made by regenerated resin or regenerated plastic raw material, which save application of cast iron.

3.Longevity
Acid-alkali 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
Rich colors; the cover is not sprayed in surface but painted in whole material so that the colr can keep lasted.

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