Shanghai base metals futures turned mixed in late Asian hours on Thursday with better-than-expected China economic data coming in just before the market close, which pushed up LME copper. The most-traded copper contract on the Shanghai Futures Exchange closed down 0.24 percent at 53,670 yuan ($8,340.46) a tonne. ShFE aluminium finished down 0.10 percent at 14,620 a tonne. Despite the shift to a surplus, ShFE lead closed 1.20 percent firmer at 19,330 yuan a tonne.