Oloa
-
BS 1387 Hot-lifu uamea paipa
-
ASTM A795 Hot-Dip Galvanized ERW Grooved Steel Paipa
-
ASTM A53 GR.B Hot-Dip Galvanized Uila Uila Paipa
-
ASTM A192 ASTM A179 ASTM A209 ASTM A210 Fa'apa'u Fini mo Su'e vevela
-
Paipa Uamea Slotted mo le Fa'atonutonuina o le Suavai
-
Su'u Vaieli pusa uamea paipa API 5CT L80 BTC R3
-
API 5CT N80 R3 U'umea Uamea Paipa mo Vaieli Suauu
-
ASTM A106 GR.B Pipa Uamea Su'e mo le vai
-
API 5L Seamless Steel Paipa mo suauu kesi