据中国有色工业协会统计,2002年7月份全国10种常用有色金属产量完成80.19万吨,比上月减少了1.36%;1～7月累计产量542.45万吨,比上年同期增加11.24%。其中,7月份电镍产量出现了成倍增加,增幅高达100%以上,其它只有精铜、粗铜、氧化铝、粗铅、镍精矿、锡及其精矿和白银比上月有小幅增长;产量下降最多的是黄金和锑精矿,其减产幅度分别为56.05%和43.54%。7月份主要有色金属及其精矿产量如下: According to statistics from China Nonferrous Metal Industry Association, in July 2002, the output of 10 commonly used non-ferrous metals in the country was 801,900 tons, down by 1.36% over the previous month. The accumulated output in January-July was 5,424,500 tons, an increase of 11.24% over the same period of last year. Among them, the production of electro-nickel increased exponentially in July, an increase of more than 100%, while only the slight increase of refined copper, blister copper, alumina, crude lead, nickel concentrate, tin and concentrates and silver ; The largest decline in production is gold and antimony concentrate, the reduction rate of 56.05% and 43.54% respectively. The major non-ferrous metals and their concentrate output in July are as follows: