China’s tighter checks delay light rare earth magnet supplies

While China has eased some restrictions on the export of light rare earth magnets , manufacturers across sectors continue to face delays in supplies. Industry executives said that the slowdown stems from stricter inspections introduced to ensure that heavy rare earth magnets are not mixed with lighter grades during export.

Chinese authorities have stepped up scrutiny following reports that some exporters were mis-classifying or mixing magnet grades to bypass restrictions on heavy rare earths. As part of the new compliance process, every consignment of light rare earth magnets must undergo certification and testing to confirm it is free from heavy elements.

“The additional testing and paperwork have slowed down shipments,” said an executive with a domestic automotive component maker. “A