Tube Dur Di-dor
CRA (aloi gwrthsefyll cyrydiad) bibell clad a bibell leinio cais am yr amgylchedd gwrth-cyrydiad, maent wedi cael eu hystyried fel
Bolier Tube
CRA (aloi gwrthsefyll cyrydiad) bibell clad a bibell leinio cais am yr amgylchedd gwrth-cyrydiad, maent wedi cael eu hystyried fel
Strwythurau Seamless Tube
CRA (aloi gwrthsefyll cyrydiad) bibell clad a bibell leinio cais am yr amgylchedd gwrth-cyrydiad, maent wedi cael eu hystyried fel
Di-dor Pipe Line
CRA (aloi gwrthsefyll cyrydiad) bibell clad a bibell leinio cais am yr amgylchedd gwrth-cyrydiad, maent wedi cael eu hystyried fel
pibell Cotio Di-dor
CRA (aloi gwrthsefyll cyrydiad) bibell clad a bibell leinio cais am yr amgylchedd gwrth-cyrydiad, maent wedi cael eu hystyried fel