... produce 9,10,12,18,35,70,105 micron electrolytic copper foil for PCB, CCL, EMI, Lithium Battery, and Polymer Lithium Battery etc ... ,25,70, 105, 175, 200 micron and even thicker electrolytic copper toil for PCB, CCL, EMI, Lithium Battery, and polymer Lithium Battery etc ... . And we are characterized in STD and THE copper foil. The ...