当前钢铁工业可持续发展的主要矛盾是资源的瓶颈和环境承载的超限。在加速行业重组，实现产业结构优化的同时，技术要素的提升是解决资源与环境问题的重要手段，促进技术进步是中国钢铁工业实现可持续发展的现实途径。

The major contradiction faced today for the sustainable development of steel industry lies in the bottleneck of resources and the overburden of environment. In course of speeding-up industrial reshuffle and structural optimization, the enhancing of technological factor provides significant measures to tackle such issues of resources and environment. So, promoting technological progress will become the realistic road to the sustainable development of China's steel industry.