Izingono zamapayipi aqhunyiswe ngesihlabathi
EyethuIzingono zamapayipi aqhunyiswe ngesihlabathizenzelwe ukuhlangabezana namazinga omkhakha we-ASTM A53, ASTM A106, kanye
I-ASTM A312. Sinikeza anhlobonhlobo ongakhetha kuhlanganiseUchungechunge olulodwa, kokubiliintambo elinganayo, mfishane omude
i-threaded, ingono ye-KC, kanye nengono evaliwe. Lezi zingono zamapayipi ezisezingeni eliphakeme zilungele ukusetshenziswa okuhlukahlukene kanye
qinisekisa ukusebenza okuthembekile. Khetha ekukhetheni kwethu okubanzi ukuze uhlangabezane nezidingo zakho ezithile.
Bhala umyalezo wakho lapha futhi usithumelele wona