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Q265GNH steel,Q265GNH weathering steel,Q265GNH corten steel Q265GNH steel plate under China GB/T 4171 standard which is a kind of weathering steel.As the weathering steel,Q265GNH steel plate is widely used in vehicle,bridge,tower,container and so.china factory q bqb 340 b550nqr1 weather steel mill -.

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