Umbhobho wentsimbi we-ERW odityanisiweyo: i-high-frequency resistance welded pipe, eyenziwe ngepleyiti yentsimbi eshushu, ngokuqhubeka nokubumba, ukugoba, ukuwelda, unyango lobushushu, ukulinganisa, ukulungiswa, ukusika kunye nezinye iinkqubo. Iimpawu: Xa kuthelekiswa nomthungo ojikelezayo ofakwe emanzini we-arc welding yentsimbi ...
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