"Secondary steel GI,EG, CR, HR. HDG, PPGI, CRNGO, steel shee
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GI:galvanized iron 镀锌

EG:electrogalvanizing 电镀锌

CR:Cold Rolling 冷轧

HR:Hot Rolling 热轧

HDG:Hot dip galvanizing 热镀锌

PPGI:Prepainted GI 彩涂板 (镀锌基板的彩涂)

CRNGO:Cold Rolled Non Grain Oriented 无取向(硅钢)