ICC does buy US made steel but says imports bridge a gap in supply for high-grade tinplated steel needed for blemish-free lithographic printing.

独立金属罐头公司确实购买了美国产生的钢铁，但同时也表示，进口可以弥补高档镀锡钢的供应缺口，而高档镀锡钢正是无瑕疵平版印刷所需要的原材料。