MaterialsCutting tool makers scramble procure scrap from US, SingaporeTungsten is used in a wide variety of fields other than cutting tools, including chips, electronic equipment and military ammunition. © ReutersNikkei staff writersMay 29, 2026 01:23 JSTTOKYO -- Japan's imports of tungsten from China fell 50% in April compared with the 2025 monthly average after Beijing increased export restrictions on the mineral early this year, forcing Japanese companies to scramble to find new sources.