With a fast change of raw materials, local makers of pre-painted steel sheets are upgrading the quality of their products for use in the production of electric home appliances and panels. Union Steel and Dongbu Steel are substituting the existing materials of hot-dipped galvanized steel sheets with zinc aluminum alloy coated steel sheets in the production of their pre-painted steel sheets.
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机译：随着原材料的快速变化，本地彩涂钢板制造商正在提高其产品质量，以用于家用电器和面板的生产。 Union Steel和Dongbu Steel在生产预涂钢板时，正在用镀锌铝合金涂层的钢板代替热浸镀锌钢板的现有材料。
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