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Mar 25, 2026Q195 Welded Pipes nyob rau sab nraum zoov ib puag ncigQ195 Welded Pipes nyob rau sab nraum zoov ib puag ncig -
Mar 25, 2026Q215 Cov kav dej siv rau qhov qis -PressureQ215 Cov kav dej siv rau qhov qis -Pressure -
Mar 25, 2026ASTM A252 Gr.2 ERW Yeeb NkabASTM A252 Qib 2 ERW (Electric Resistance Welded) yeeb nkab yog qib feem ntau siv hauv ASTM A252 specification rau steel yeeb nkab pawg [citation: 2, citation: 3]. Nws sawv cev rau
