[Solid-State Battery: Defu's H1 2025 Lithium Battery Copper Foil Shipments for Semi/All-Solid-State Batteries Reached 140 mt] On September 8, 2025, Defu Technology (301511) stated on the investor relations platform that the company's lithium battery copper foil shipments for semi/all-solid-state batteries reached 140 mt in H1 2025. Depending on customers' solid-state battery solutions, the shipments included products such as star foil, atomized copper foil, and ultra-thin high-tensile-strength copper foil.
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