He mea tino nui te whiriwhiri i te paipa maitai tika mōngā kaupapa hinu me te hau. Paipa Rino API 5LmeNgā Ngongo Rino ASTM A106Ko ngā whakatakotoranga e whakamahia ana te nuinga. Mā te whiriwhiri tika i te momo ka pai ake te mahi haumaru me te whai hua o te kaupapa.
Tirohia tā mātou whārangi hua paipa rino hei ako atu mō ngā paipa rino ASTM A106 me API 5L e wātea ana, me te tiki i tētahi whakatau utu.
He hiahia hoko rino tāu ā tōna wā? Tukuna mai ō hiahia inaianei, ā, ka whiwhi koe i tētahi whakatau utu i roto i ngā haora 12.
RŌPŪ KĪNGI
Wāhitau
Te rohe ahumahi whanaketanga o Kangsheng,
rohe Wuqing, Tianjin pa, Haina.
Ī-mēra
Ngā Hāora
Mane-Rātapu: Ratonga 24-hāora
Wā tuku: Maehe-31-2026
