Characteristics of cold extrusion have bee n expand ed. Development domestic and abroad of such technique has been introduced. Trend ency and proposals have been put forth.

• 阐述了冷挤压技术的特点，介绍了国内外冷挤压技术的发展过程，分析了冷挤压技术的发展趋势，并针对该技术存在的问题提出了建议。