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Fa'apa'u Su'esu'e Malamalama (BA).
O le Zhongrui o se atinaʻe faʻapitoa i le gaosiga o faʻamaʻi faʻamaʻi faʻamaʻi.Ole tele ole gaosiga ole OD 3.18mm ~ OD 60.5mm.O mea e masani ona aofia ai austenitic stainless steel, duplex steel, nickel alloys, etc.
