Meetings between presidents come and go, but China’s efforts to capture the high ground in technologies for the future economy–and to defend that ground once captured–just go on. On December 1 China will begin requiring export permits for some graphite products, another attempt to control critical mineral supply in response to challenges to its global manufacturing dominance. Beijing’s move to restrict graphite exports will have a disproportionate impact on foreign makers of electric vehicle battery components who have not yet shifted to using as much synthetic material as Chinese counterparts, industry insiders and experts told Reuters.