copper foil for EMI RFI Lithium battery Manufacturer of copper foil from China Thickness:9,10,12,18 ... EMI, Lithium Battery, and Polymer Lithium Battery etc. And we are characterized in STD and HTE copper foil.We are a professional manufacturer and exporter ... thicker electrolytic copper toil for PCB, CCL, EMI, Lithium Battery, and polymer Lithium Battery etc. And we are characterized in STD and THE ...