1 # copper Cu_Ag> = 99.99% Standard: GB / T 467-1997 
 Chemical composition: copper ≥ 99.99%; Bi ≤ 0.002; antimony ≤ 0.002; arsenic ≤ 0.002; Iron ≤ 0.005; nickel ≤ 0.002; Lead ≤ 0.005; tin ≤ 0.002; sulfur ≤ 0.005; oxygen ≤ 0.02; zinc ≤ 0.005; phosphorus ≤ 0.001; sum of ≤ 0.05. 
 Specifications: 125 * 90 
 Net Weight: 100kg / + / -1% 
 Packing: aluminum and so on bundled tray for installing the