Iindaba Zoshishino

Iindaba Zoshishino

  • Seamless tube production history

    Imbali yokuvelisa ityhubhu engenamthungo

    Ngeminyaka yoo-1960 ngenxa yokuveliswa kwesigayo esitsha esiphakame kathathu (esaziwa njengeTransval mill), ezi ndlela ziphuculwe ngokukhawuleza Isila esitsha sibonakaliswa ngokujikeleza okukhawulezayo komngxuma ongasemva ujiko lokujika luza kutshintsha ukuqengqeleka i-Angle, ngaloo ndlela kuthintela umsila ukusuka kwifom ...
    Funda ngokugqithisileyo