建国５０年来，我国钢铁工业的品种质量工作，虽然历经曲折，在三年“大跃进”和十年“文化大革命”中遭到严重的干扰和破坏，但总的看，一直在围绕着国民经济发展和国防建设需要，而不断地扩大和提高，经历了逐步加强的发展历程，从而明显地提高了中国钢材在国内外市场上的竞 Over the past 50 years since the founding of the People’s Republic of China, the quality and quality of the steel industry in our country have suffered serious interference and destruction in the “Great Leap Forward” in the past three years and the “Cultural Revolution” in the past ten years. However, in general, Development and national defense needs, and continue to expand and improve, has undergone a gradual strengthening of the development process, which significantly increased the Chinese steel market both at home and abroad