China's May output of 10 nonferrous metals rose to 4.58 million mt, up 2.4% year on year, according to data released by the National Bureau of Statistics on Wednesday.
The 10 nonferrous metals are copper, aluminum, lead, zinc, nickel, tin, antimony, mercury, magnesium and titanium sponge.
However, the bureau did not provide a breakdown of the output of the various metals.
The May figure was also 1.6% higher than that recorded in April.
During January-May, output totaled 22.63 million mt, up 6.9% year on year.