Shanghai, July 29: China is the world's major consumer of copper and aluminum, and its changes in consumption have a greater influence on the spot and futures markets of copper and aluminum in the world. The following is the monthly copper and aluminum of China since 2005. Production, import and export volume and apparent consumption data (units/ton): June May April February January 2005 January 2004 refined copper production 212,400 222,000 194,700 187,100 186,300 173,700 204 million net imports 142,443 117,935 96,562 100,710 105,528 110,810 1,076,270 Apparent consumption 354,843 339,935 291,262 287,810 291,828 284,510 311.6 million primary aluminum production 601,100 599,200 574,900 568,400 557,000 531,600 656 million net exports 77,769 114,486 55,443 114,49 43,255 91,205 707,843 Apparent consumption 523,331 484,714 519,457 453,906 513,745 440,395 585.2 Million alumina production 680,000 701,300 653,900 682,700 593,600 634,500 7.02 million net imports 660,000 520,783 775,080 590,466 711,397 431,978 5,852,297 Apparent consumption 1.34 million 12.22 million 1.429 million 1.237 million 1.305 million 1.066 million 1,287.2 million Note: 1. Apparent consumption in this table Volume is calculated as output plus net imports or net exports Export. 2. Import and export volume data comes from the General Administration of Customs of China; production data come from monthly data of the National Bureau of Statistics of China. 3. If the National Bureau of Statistics revise the data released last month, Reuters will also update it.