During the 15-minute talks with US Secretary of State Mike Pompeo on Wednesday night, Foreign Minister Kang Kyung-wha voiced concerns over Japan's restrictions on the exports of key high-tech materials to South Korea. The two diplomats agreed to continue close communication to achieve the shared goals of complete denuclearization and a lasting peace on the peninsula. They also agreed to continue their dialogue on the sidelines of a regional forum set to open in Thailand in early August.