... Foil in China, which has rich experiences in this field. We mainly produce 9,10,12,18,35,70,105 ... foil in China, and have rich experiences in this field. We mainly produce 9, 10 18,25,70, 105, 175 ... EMI, Lithium Battery, and polymer Lithium Battery etc. And we are characterized in STD and THE copper foil. The ... content of cu is above 99.5%. We can also process with customer’s samples. copper foil ...