RequiredCopper concentrate CIF.Trail order 2000MT, 5000MT/Month, 1 year contract . Non -Transferable Irrevocable 90% LC/ TT Payment in Dar Es Salaam Port, Tanzania. 10% LC/TT Payment in Lian Yun Gang Port , China. Cu ≥ 25%, sulfur≥ 25%As<0.5%, Cl<0.5%, Cd<0.05%, Hg<0.01%, Pb+Zn<6%+923218109604 Show More