The base metals prices on the London Metal Exchange (LME) decrease on Tuesday.
The three-month unofficial copper price dropped 19 U.S. dollars, or 0.40 percent, to 4,696 U.S. dollars per tonne.
The three-month unofficial aluminium price lost 15 U.S. dollars, or 0.95 percent, to 1,556 U.S. dollars a tonne.
The three-month unofficial lead price lost 5.5 U.S. dollars, or 0.32 percent, to 1,730.5 U.S. dollars a tonne.
Besides, the three-month unofficial zinc price lost 1.5 U.S. dollars, or 0.08 percent, to 1,851 U.S. dollars a tonne.
The three-month unofficial nickel price lost 57.5 U.S. dollars, or 0.66 percent, to 8,712.5 U.S. dollars a tonne.
The three-month unofficial tin price lost 100 U.S. dollars, or 0.58 percent, to 17,125 U.S. dollars a tonne.