《原来如此》钢铁如何炼成 揭秘钢铁不为人们熟知的另一面 20180903 | CCTV科教

Source of US Steel import

Steel import


Canada 16%

Brazil 13%

Korea 10%

Mexico 9%

Russia 9%

Turkey 7%

Japan 5%

Taiwan  4%


Germany 3%

India 2%

others 22%