Core Insights - China's strict control measures on rare earth exports have become a significant leverage in its geopolitical strategy against the United States [1] - Recent reports indicate that China is not only regulating rare earth exports but also implementing strict management of related technical personnel [1] Industry Developments - China is the world's largest producer and exporter of rare earths, having made significant technological advancements, particularly in rare earth purification technology, achieving a purity level of 99.9999% [3][5] - In contrast, Western countries, particularly the United States, have lagged behind, with their purification technology only reaching 90% purity [5] - China holds a dominant position in the global rare earth refining sector, controlling 95% of the market share and having developed various efficient separation technologies [5][7] Technological Advancements - China's advancements in alloy manufacturing have led to the production of high-performance rare earth alloys, significantly improving production efficiency and reducing costs to one-third of that of Western countries [7] - The decline of the rare earth industry in Western nations is attributed to a lack of investment in resource extraction and technology development, leading to a reliance on imports [9] Talent and Security Concerns - A recent case of technology leakage involving a vice president of a rare earth group highlights the risks associated with core technology personnel leaving for foreign entities [11] - The departure of experienced executives from the rare earth sector poses a significant threat to China's technological future [13][14] Protective Measures - To prevent technology outflow, China has mandated that rare earth companies submit detailed lists of experts and technical personnel, including their professional backgrounds and research achievements [16] - Strict exit and entry record checks for key personnel have been implemented, alongside advanced technological measures such as blockchain for document security and AI systems to protect core data [18][20] - These protective strategies reflect China's critical role in the global rare earth industry, especially in military applications, where any technology leakage could pose severe national security risks [22]