Current label: Square tube direct sales supply
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How to distinguish between hot-dip galvanized square tube and cold galvanized square tube: galvanized square tube is divided into hot-dip galvanized square tube and cold galvanized square tube in terms of consumption technology. It is precisely because the addition of these two galvanized square tubes is different that they have many different physical and chemical properties. Generally speaking, they are different in strength, toughness and mechanical properties. The square tube manufacturer will take you to understand. Hot dip galvanized square
