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Some customers have inquired that in the production process of barrel galvanizing using barrel alkaline galvanizing additives, because the workpiece needs b...
There is such a trivalent chrome blue zinc passivator, it can pass the customer's high salt spray test requirements, can improve the efficiency of the passi...
Because several customers require that the workpiece should have a deep color passivation appearance that is resistant to salt spray, but the color zinc pas...
