BEIJING, Feb 14 (Reuters) - London copper prices edged higher for a second session in early Asian trade on Thursday as investors awaited their cue from the latest trade data from top metals consumer China and the Sino-U.S. trade talks in Beijing. China is due to report its copper import and aluminium export numbers for January later in the day. FUNDAMENTALS * COPPER: Three-month copper on the London Metal Exchange was up 0.3 percent at $6,142.50 a tonne, as of 0115 GMT, extending a 0.3 percent gain from the previous session. * SHFE COPPER: The most-traded March copper contract on the Shanghai Futures Exchange also added 0.3 percent to 48,310 yuan ($7,146.66) a tonne. * TRADE: U.S. Treasury Secretary Steven Mnuchin said on Thursday he was "looking forward" to trade talks with China as the two countries were set to begin formal high-level discussions in Beijing. * ZINC: Floods in Australia's Queensland state are set to disrupt the rail delivery of zinc exports to the northern port of Townsville, with the line likely to be out of action for at least a month, analysts said on Wednesday. The metal used to galvanise steel rose by 0.4 percent in London after ending down 0.3 percent in the previous session. * SOUTH32: The world's largest manganese miner South32 Ltd on Thursday posted an 18 percent rise in half-year underlying profit as a surge in metallurgical coal output and stronger commodity prices helped boost its bottom-line.