ʻO ka moʻolelo o ka hui

Hoʻokumu ʻia ka paipu kila maʻemaʻe a mākou e hana ai ma ka European En10305 standard, German DIN2391 standard, American ASTM A269 standard a me Japanese JIS series.Koho ka hui i ka billet kiʻekiʻe, a hui pū me kā mākou Cold drawn a i ʻole Cold rolled steel pipe manufacturing and processing technology, i hana ʻia ma o ka mana koʻikoʻi.Hōʻike ʻia ka paipu kila maʻemaʻe e ka precision kiʻekiʻe a me ka hoʻopau maikaʻi.Hoʻohana ka ʻoihana i ke kaʻina hana lapaʻau wela ʻole o ka oxygen, ʻaʻohe mea e hoʻohua ai i ka papa oxide ma nā paia o loko a me waho a loaʻa ka hopena kiʻekiʻe.ʻO ka hana kaʻina hana o ka paipu kila e hoʻokō pono i nā koi kiʻekiʻe: ʻaʻohe leakage i loko o ke kaiapuni kiʻekiʻe, ʻaʻohe deformation i ke kulou ʻana, flaring a me ka palahalaha.