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七八十年代国外钢铁生产萧条,产量削减,轧机纷纷停产,大批轧机标价出售。当时,国家集中财力建设武钢和宝钢两大现代化钢铁工程。国民经济迅速发展后,市场上钢材紧缺,于是,掀起了一个增产钢材的热潮。但是,许多企业资金有限,购置二手设备来改造老企业是适合国情的。采用二手设备投资少、建设时间短、达产快、容易掌握操作技术,并带有一批备品备件,对生产有利。但是,装备不先进,产品质量层次低。另外,还有种种不适应的问题。
In the seventies and eighties foreign steel production slump, production cuts, rolling mill have discontinued, a large number of rolling mill price for sale. At that time, the state concentrated its financial resources on building two modern steel works, namely WISCO and Baosteel. After the rapid development of the national economy, there was a shortage of steel on the market, so there was a boom in steel production. However, many enterprises have limited funds and acquiring second-hand equipment to rehabilitate the old ones is suitable for their national conditions. The use of second-hand equipment less investment, construction time is short, fast production, easy to master operating technology, and with a number of spare parts, the production is beneficial. However, the equipment is not advanced and the product quality is low. In addition, there are a variety of problems that do not meet.