China has posted a trade surplus of $US39 billion ($A57.47 billion) in December, the second-highest ever, on a steep drop in imports, according to figures published in state media.
December exports totalled $US111.2 billion ($A163.87 billion), a decline of 2.8 per cent from a year earlier, the China Daily newspaper said on Tuesday, citing customs statistics.
Imports last month stood at $US72.2 billion ($A106.4 billion), down 21.3 per cent from a year ago, the paper said.









