荣成县是机械制造业较为发达的县份之一,年消耗矽钢片2800吨,产生下脚废料1375吨,我们每年可回收废钢片1200吨,回收率达到90％。过去,我们将回收的废矽钢片作为压块包装皮,送到钢厂回炉.去年初,我们经过市场调查了解到,随着人民生活水平的提高,家用电器 Rongcheng County is one of the more developed counties in the machinery manufacturing industry. It consumes 2,800 tons of silicon steel and consumes 1,375 tons of waste. We can recycle 1,200 tons of scrap each year, and the recovery rate reaches 90%. In the past, we used the recovered waste steel sheet as a briquette wrapper and sent it to the steel mill for re-melting. At the beginning of last year, we learned from market research that with the improvement of people’s living standards, household appliances