西宁特钢集团公司开发的铁路机车滚动轴承钢-四、六级精度冷拔轴承钢,一次合格率目前已达到90.91%。而目前在国际上处于领先水平的瑞典,生产此钢一次合格率也只有70%左右,国内领先水平也仅在60%左右。这一难关的攻克,使西宁特钢在激烈的钢材市场竞争中又迈出了坚实的一步,产品在国内、国际市场看好。 Xining Special Steel Group Corporation developed the rolling stock bearing steel locomotive - four, six precision cold drawn bearing steel, a pass rate has now reached 90.91%. At present, the leading international level in Sweden, the production of steel pass rate of only about 70%, the leading domestic level is only about 60%. The difficulties overcome, Xining Steel in the fierce competition in the steel market has taken a solid step forward, products in the domestic and international markets.