A manhole cover is used to cover wells on roads or in deep wells at home, preventing people or objects from falling. By material, it can be divided into metal manhole covers, high-strength fiber and others.
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Linear drainage channel: an efficient and beautiful drainage system widely used in municipal projects.
A manhole cover is used to cover wells on roads or in deep wells at home, preventing people or objects from falling. By material, it can be divided into metal manhole covers, high-strength fiber and others.
Resin manhole covers feature light weight and high strength, excellent fatigue resistance, damage safety, simple molding, low noise under vehicles and chemical corrosion resistance.
It is a type of ductile iron. Through spheroidization and inoculation treatment, spherical graphite is obtained, effectively improving the mechanical properties of cast iron.
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