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SUS440C圆棒/圆钢现货:SUS440C圆棒直径10mm-300mm,毛圆、车光圆、锻圆、光圆、轧圆等SUS440C板材/板料现货:SUS440C板材厚度6mm-300mm,轧板、锻板、板材、锻件等