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Product Description

Features of Square Plastic Manhole Covers

· Our plastic sewer covers don’t have recovery value, which can solve the stolen problem thoroughly.

· Our composite manhole covers are of high load capacity, which exceeds the ductile iron.

· We could produce any free design for our plastic manhole covers surface, which could be designed according to customers’ demands, including color, pattern, specification.

· The service life of our plastic (composite material) well lid is at least 30 years.

· Our plastic sewer covers are well sealed, which can be used hermetically, and effectively prevent those poisonous gases leaking out from the cesspool.

· Our square composite manhole covers are neither jangle nor rebound when cars pass through.

· Our real plastic manhole covers have good wear and corrosion resistance, which will never rust because it has good wear and corrosion resistance.


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