1. Bisa ga ma'auni na inji masana'antu, flange iri ne: farantin irin lebur-welded flange, butt-welded flange, na hade flange, butt-welded zobe-farantin karfe sako-sako da hannun riga flange, lebur-welded zobe-farantin karfe sako-sako da hannun riga flange. , Flanged zobe-farantin irin sako-sako da hannun riga flange, flange murfin. 2...
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