China’s exports of rare earth permanent magnets to the United States continue to fall, at a time when Washington and its allies are stepping up efforts to reduce reliance on the country’s critical mineral supply chains. Shipments of permanent magnets to the US totalled 994 tonnes in January and February, down nearly 22.5 per cent year on year, according to data released on Friday by China’s General Administration of Customs. This marked the seventh consecutive month of decline. Over the two...