Scientific application of domestic cold - rolled sheet steel used for car 国产轿车用冷轧钢板的科学使用
Cold rolled sheet steel 冷轧薄钢板
Hot - rolled sheet steel in coils of higher yield strength with improved formability and heavy thickness for cold forming 冷成形用具有改进可成形性和加厚厚度的较高屈服强度的成卷热轧薄板钢材