He ʻoihana kūikawā ʻo Zhongrui i ka hana ʻana i nā paipu ʻālohilohi kūwaho. ʻO ke anawaena hana nui ʻo OD 3.18mm ~ OD 60.5mm. ʻO nā mea nui ka austenitic stainless steel, duplex steel, nickel alloys, etc.