Yam paub

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Q355GnS CORTEN CORPULAR STEEL YEEB rau kev ua haujlwm

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Daim ntawv thov ntawm Q355gnh Ncaj Ncaj Ream Welded Steel Yeeb Nkab

GB / T4171 Q35Pegnh Weathering Steel Yeeb Nkab Siv Hauv Cov Qauv Siv

Qhov tshwj xeeb ntawm Q355gnh corrospheric Desistant steel phaj

Cov yam ntxwv ntawm cov yam ntxwv ntawm Q355gnh hnav tiv thaiv lub phaj

Kev siv Q355Gnh wighting hlau daim hlau

GB / T 4171 Q35GNHGRGHNE ATMOSPRICOR CRIM

Xaiv ntawm Q355Snh thiab Q355Gnh: Huab Cua Cov Ntawv Thov Hlau thiab cov txiaj ntsig

GB / T 4171 Q35GNHGRGHNKHNE ATMOSPRICER DRORE KHAWV KOOB HLAU