The period of economic fluctuation is one of the important factors that affect the trend of non-ferrous metal quotation. ① the economic crisis in Asia in 1997 and the continuous decline of the U.S. economy since the first half of 2000 have resulted in the sharp decline of global non-ferrous metal quotation. The recovery of Asia's economy in early 1999 led to the recovery of non-ferrous metal prices. Recently, the price index, the change of international exchange rate, the fluctuation of oil quotation, the power crisis of seamless aluminum tube and the influence of industrial regulations will all have an impact on the original aluminum quotation. &Recently, the per capita consumption of aluminum in the world is 5kg, The per capita consumption of developed countries such as the United States, Japan and Germany has reached 28-32 kg, while that of China is only 3 kg. Especially in China, with the development of traffic aluminum pipe and housing < br / > The period of economic fluctuation is one of the important factors that affect the trend of non-ferrous metal quotation. The economic crisis in Asia in 1997 and the continuous decline of the U.S. economy since the first half of 2000 have led to the sharp decline of global non-ferrous metal quotation. The recovery of Asia's economy in early 1999 led to the recovery of non-ferrous metal prices. Recently, the change of international exchange rate, the fluctuation of oil quotation, the power crisis of seamless aluminum tube and the impact of industrial regulations will all have an impact on the original aluminum quotation. &Recently, the per capita consumption of aluminum in the world is 5kg, Ⅷ The per capita consumption of developed countries such as the United States, Japan and Germany has reached 28-32 kg, while that of China is only 3 kg, which shows that the consumption space of aluminum is quite large.. Welcome to check, hope to help you.