Cu-OFE copper = purity & performance ⚡
99.99% purity, ultra-low oxygen, strong conductivity & weldability.
Built for electronics & vacuum systems.
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Copper foil = battery performance 🔋
Ultra-thin foil boosts energy density but needs stable production.
We supply full specs + coated foil for better efficiency.
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Copper foil matters ⚡
From 3μm–105μm, the right spec improves conductivity & heat control.
Used in batteries, PCBs & power systems.
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