According to China Aluminum Group, on November 6, the central enterprise trading group of China Aluminum Group held a centralized signing ceremony. During this year's import expo, related enterprises under China Aluminum Group signed 24 purchase agreements with countries such as Australia, Guinea, Chile, Peru, Germany, etc., with a 15.8% increase in the contract amount compared to the previous year. The number of contracted suppliers increased by 5 from the previous year, and the contracted varieties expanded from aluminum and copper resources to machinery equipment.