ERW steel yeeb nkab
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High Frequency Resistance Welded Steel Yeeb Nkab
ERW steel kav yog ua los ntawm cov pa roj carbon steel thiab hlau alloy, thiab tsuas yog siv rau kev thauj cov roj thiab cov nkev roj.Lawv muaj zog hign, zoo toughness, thiab siab tiv thaiv corrosion thiab siab.
