Kub-dip galvanized tsis xws luag: tawm, khawb, plaque passivation, zinc ntsiav tshuaj, tuab sab, cov cim ntawm cov cua riam, cua riam khawb, raug hlau, inclusions, mechanical puas tsuaj, kev ua haujlwm tsis zoo ntawm steel substrate, yoj ntug, buckling , substandard loj, embossing, zinc txheej thickn ...
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