北京5月18日消息：以下是中国国家统计局公布的4月主要金属产品的产量初步数据。 


                                                         4月                     1-4月                   数量（吨） 同比变化（%） 数量（吨） 同比变化（%） 精炼铜              193,100      14.7        740,200      16.9 铝                  592,100      22.3      2,249,100      16.4 氧化铝              654,500      14.7      2,565,500      15.9 锌                  226,700      12.3        840,700       9.0 铅                  192,300      18.7        651,900      15.2 锡                    7,523       2.5         30,337      21.1 镁                   40,800      -5.3        152,500      -2.3 钢铁             28,085,800      25.4    105,938,700      24.8 钢铁制品         29,530,900      23.7    112,033,100      23.3     以下是国家统计局3月产量的修正数据                     新的预测    之前的预期 精炼铜              187,100     186,000 铝                  568,400     568,100 氧化铝              682,700     682,900 锌                  230,500     230,000 铅                  166,500     167,000 锡        &nb