[SMM Data: Complete Summary of SMM March 2026 Import and Export Data] SMM March 2026 import and export data showed: copper cathode net imports were down YoY; primary aluminum imports reached 255,000 mt, up 14.8% YoY; refined lead imports climbed sharply; zinc ingot imports were up 220% MoM; tin ore imports were up 122% YoY; silver imports were up 93% MoM; steel exports rebounded MoM; PV module export value was up 122.7% MoM; silicon metal exports were up 43% MoM, and magnesium exports hit a multi-year high. Among new energy materials, exports of LiPF6 and artificial graphite surged significantly.