... 70,105 micron copper foil for EMI RFI Lithium batterySINFOIL is a professional manufacturer and exporter of Copper Foil in China, which ... electrolytic copper foil for PCB, CCL, EMI, Lithium Battery, and Polymer Lithium Battery etc. And we are characterized in STD and HTE ... electrolytic copper toil for PCB, CCL, EMI, Lithium Battery, and polymer Lithium Battery etc. And we are characterized in STD and ...