... for EMI RFI Lithium battery Manufacturer of copper foil from China Thickness:9,10,12,18,35,70,105 micron copper foil ... ,12,18,35,70,105 micron electrolytic copper foil for PCB, CCL, EMI, Lithium Battery, and Polymer Lithium Battery etc. And we are ... 18,25,70, 105, 175, 200 micron and even thicker electrolytic copper toil for PCB, CCL, EMI, Lithium Battery, and polymer Lithium ...