copper foil for EMI RFI Lithium battery Manufacturer of copper foil from China Thickness:9,10 ... copper foil for PCB, CCL, EMI, Lithium Battery, and Polymer Lithium Battery etc. And we are characterized in STD and ... copper toil for PCB, CCL, EMI, Lithium Battery, and polymer Lithium Battery etc. And we are characterized in STD and ... customer’s samples. copper foil for EMI RFI Lithium battery