ductile iron manhole cover

Ductile manhole cover is a kind of cast iron manhole cover. It seems to be an inconspicuous small object. Its value is so great. There is no doubt that it is indispensable. So what is the value of ductile manhole cover? Detailed introduction:

1. First of all, the exquisite casting process makes the lines of the cast iron manhole cover clear. The surface of the manhole cover has a unique anti-skid pattern, which can increase the friction ability and prevent people from slipping 

2. The second is that it adopts cast iron material, which can improve the density of the product, so that the product has the advantages of good compression resistance, shock resistance, heat resistance, cold resistance and aging resistance.

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