Press Releases from ningbo parfect machinery Co ., ltd (2 total)
What is difference between steel casting vs cast iron
Ningbo parfect casting factory is a professional production of various types of cast steel, alloy steel, stainless steel, cast steel, alloy castings export-oriented enterprises. Let…
How to solve the shell expansion defects on stainless steel castings
During production of stainless steel castings, we often encounter the quality problems of the shell expansion defects. Such defects are caused by crystal expansion happened…
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