The base metals prices on the London Metal Exchange (LME) mostly closed mixed on Thursday.
The three-month unofficial copper price increased 23.5 U.S. dollars, or 0.48 percent, to 4,970.5 U.S. dollars per tonne.
The three-month unofficial aluminium price increased 12 U.S. dollars, or 0.74 percent, to 1,630 U.S. dollars a tonne.
The three-month unofficial lead price increased 5 U.S. dollars, or 0.28 percent, to 1,776 U.S. dollars a tonne.
Besides, the three-month unofficial zinc price lost 25 U.S. dollars, or 1.29 percent, to 1,907 U.S. dollars a tonne.
The three-month unofficial nickel price lost 175 U.S. dollars, or 1.88 percent, to 9,112.5 U.S. dollars a tonne.
The three-month unofficial tin price increased 75 U.S. dollars, or 0.44 percent, to 17,275 U.S. dollars a tonne.