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1、 The difference between valves and flanges A valve is a device that opens and closes pipelines and controls medium… Read More »Differences in flanges

flanges， Introduction to Encyclopedia Francisca knowledge. “Flange” is the abbreviation for “flange”, which is a transliteration of “flange”. It was… Read More »flanges

What is Stainless Steel 321 Stainless steel 321 is a stable stainless steel whose main advantage is its excellent resistance… Read More »Alloy 321 Stainless Steel