Highway guardrail Wave guardrail surface treatment

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High-speed guardrail supermarket surface treatment can be divided into several types:
1, hot-dip galvanizing - hot-dip galvanizing is the most common surface treatment of high-speed highway
2, cold galvanized spray - cold galvanized spray is generally used in rural or mountain roads, this surface treatment than the cost of hot galvanizing is somewhat lower, the appearance is also more beautiful.
3, hot-dip galvanizing spray - hot-dip galvanizing spray is one of the three among the best anti-corrosion properties, this surface treatment is mostly used in a more environmentally harsh environment, in China, Heilongjiang, northern Liaoning area widely used.
4, cold galvanized plastic treatment