FAQ


How to distinguish the quality of ductile iron pipes

Due to the problems caused by the surface cracks of ductile iron pipes, as well as the poor surface quality of ductile iron pipes, which are easy to be scratched, and the poor surface metal luster, we can judge the quality of ductile iron pipes through the above, and select a regular ductile iron pipe manufacturer when purchasing ductile iron pipes to ensure the quality of ductile iron pipes. It is a reliable guarantee to improve the casting quality to accurately judge the spheroidization state by using advanced detection methods.

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