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废金属是国家的重要物资资源,是冶炼、铸造和轻工市场小商品生产的重要原料、材料。搞好废金属的回收利用,一可变“废”为宝,扩大社会资源;二可节省矿产资源和能源,促进国民经济的发展,提高社会经济效益。我国每年生产和建设要用大量的钢材、生铁和有色金属。为满足生产建设和人民生活需要,除在生产和使用方面要求提高成材率和利用率外,对产生的废金属
Scrap metal is an important material resource of the country and an important raw material and material for the production of small commodities in the smelting, casting and light industry markets. Do a good job of recycling scrap metal, a variable “waste” treasure, expanding social resources; two can save mineral resources and energy, promote national economic development and improve social and economic benefits. China’s annual production and construction use a lot of steel, pig iron and non-ferrous metals. In order to meet the production and construction and people’s life needs, in addition to the production and use requirements increase the yield and utilization, the resulting scrap metal