Graphite powder, used for battery paste, is pictured in a Volkswagen pilot line for battery cell production in Salzgitter, Germany, May 18, 2022. REUTERS/Fabian Bimmer/File Photo Acquire Licensing Rights SHANGHAI, Oct 27 (Reuters) - 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 said. China's latest limit on critical mineral exports, which Beijing said is not targeted at a specific sector, has fuelled uncertainty in the global EV supply chain since it...