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Ductile iron pipes are generally large in diameter, thick in wall, brittle in texture, low in strength and cheap in price.
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In order to ensure the service life and water quality safety of the ductile iron pipe, we have carried out special treatment inside it.
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Ductile iron pipe is a kind of pipe made by adding ductile agent to hot metal above 18# and then processing it by centrifugal ductile iron machine at high speed···
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