Manhole Cover
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Mainly made of ductile iron (mainstream) or gray cast iron, formed through sand casting or centrifugal casting processes. Some products are reinforced with steel mesh to enhance structural stability, and the surface can be treated with anti-corrosion treatments such as hot-dip galvanizing and spraying.
Keyword:
Mainly made of ductile iron (mainstream) or gray cast iron, formed through sand casting or centrifugal casting processes. Some products are reinforced with steel mesh to enhance structural stability, and the surface can be treated with anti-corrosion treatments such as hot-dip galvanizing and spraying.
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