Dow Jones Shanghai news on October 25. The following is a list of China's January-September basic metals production released by the National Bureau of Statistics of China: (tons) Changes in the year-on-year changes of metals in September 2004 Cumulative year-on-year changes in January-September 2004 Copper 173,000 +14% 1,498,000 +20% lead 148,500 +6% 1,264,900 +8% zinc 209,600 +1% 1,845,100 +11% tin 8,792 +15% 82,633 +20% nickel 4,342 -14% 59,308 +26% aluminum 559,700 +12% 4,726,100 +20% alumina 582,500 +10% 5,181,300 +14% (Mandarin Finance compiled)