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Introduction to zinc steel guardrail: zinc steel guardrail refers to the guardrail made of zinc alloy material, which is used for different parts and different functions. As the surface layer is treated by electrostatic spraying in the later stage, it has the characteristics of high strength, high h
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Introduction to zinc steel guardrail: zinc steel guardrail refers to the guardrail made of zinc alloy material, which is used for different parts and different functions. As the surface layer is treated by electrostatic spraying in the later stage, it has the characteristics of high strength, high h
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Introduction to zinc steel guardrail: zinc steel guardrail refers to the guardrail made of zinc alloy material, which is used for different parts and different functions. As the surface layer is treated by electrostatic spraying in the later stage, it has the characteristics of high strength, high h