Copper Millberry 99.99% purity 1) Diameter : from ... 0.10mm to 3.00mm 2) Conductivity : from 15%-30% ect. Good adventage: high purity of copper ... scrap 99% Good quality & considerate service Copper wire, tube, plate etc High ... , machinery, building industry, national defense industry. Copper Scrap is industry a important sources of the ...