New high purity copper material has superior low temperature property exceeding rrr (residual resistivity ratio) 3000, and has been adopted for special applications, for example, components for cryogenic refrigerator and materials for r&d in the field of space technology. the cable for high end audio cables has a controlled crystal structure and minimizes transmission loss. we manufacture products such as spreader, wire rope, blocks and various shapes, all easily needed. feel free to contact us..