AUTHOR=Jin Yuning , Dai Tao TITLE=Competitive pattern of global tin products trade from the perspective of industry chain JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1501816 DOI=10.3389/feart.2024.1501816 ISSN=2296-6463