China is accelerating efforts to secure its copper supply chain, designating the metal as critical across strategic industries such as electric vehicles, artificial intelligence and defence amid rising geopolitical tensions. Provincial governments are leading the charge. On Monday, Jiangxi – already a hub for heavy rare earth mines – pledged in its 15th five-year plan to develop a world-leading hub for advanced copper-based new materials. That follows a similar move in Shandong, where provincial...