O Zhongrui o se atinaʻe faʻapitoa i le gaosiga o faʻamaʻi faʻamaʻi faʻamaʻi saʻo uʻamea. 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.