High Compressive Strength Ductile Iron Manhole Cover
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Anti-Theft Sewer Cover Casting
Produkt-Beschreibung
Our cast iron manhole cover castings are mainly made of ductile iron or grey cast iron, produced by automatic sand casting process. These castings are widely used in municipal roads, urban drainage, sewer, gas and communication engineering for underground pipeline access and safety protection. The manhole cover castings feature high compressive strength, strong impact resistance, good anti-settling and anti-theft performance, and can bear different vehicle loads according to