JCC COPPER.JCC COPPER is a modern high-tech enterprise located in Nanchang City, Jiangxi Province, specializing in the R&D, production, and sales of electrolytic copper foil. The company boasts an annual production capacity of 75,000 tons, encompassing 35,000 tons of electronic circuit copper foil and 40,000 tons of lithium battery copper foil, with product thicknesses ranging from 3μm to 140μm. Its comprehensive product line includes standard copper foil for CCL and PCB applications, as well as lithium battery and flexible copper foil, all customizable to meet client requirements. To support the development of 5G and higher-frequency circuits, the company initiated its fourth-phase project in 2021, adding 20,000 tons of annual capacity for premium electronic circuit copper foil. This initiative is dedicated to fulfilling the high-end market's demand for high-performance copper foil.