Aluminum prices have reached a four year high, with LME aluminum rising to around 3608 US dollars per ton and peaking at 3625 US dollars, up about 3.29 percent intraday. The main driver is supply disruption. The Middle East, a key aluminum producing region accounting for nearly 10 percent of global output, is facing geopolitical tensions. In addition, smelter shutdowns in the UAE, Bahrain and Qatar have reduced capacity by at least 2.068 million tons, with recovery expected to take 6 to 12 month