... shielding, EMI, RFI, PCB. Manufacturer of copper foil from China Thickness:9,10,12,18,35,70,105 ... micron SINFOIL is a professional manufacturer and exporter of Copper Foil in China, which has rich experiences in this field. We ... electrolytic copper foil for PCB, CCL, EMI, Lithium Battery, and Polymer Lithium Battery etc. And we are characterized in STD and HTE copper foil. copper foil ...