METALS-Aluminium slips on profit-taking

* China's aluminium production: http://tmsnrt.rs/2eTgJGm

* LME/ShFE arb: http://tmsnrt.rs/2oQ5nm2 (Updates throughout, changes dateline from MELBOURNE)

JOHANNESBURG, Aug 14 (Reuters) - Aluminium eased on Monday as traders booked profits after prices soared to a 2-1/2 year high on Friday and factory data from top producer China fell short of market expectations.

Benchmark aluminium on the London Metal Exchange fell 0.4 percent to $2,034 a tonne by 1000 GMT, having climbed on Friday to its highest since November 2014 at $2,048.

"Today's move in aluminium is more on profit-taking or low volatility in trade than a fundamental shift in sentiment," said Hamza Khan, head of commodities strategy at ING Bank.

Recent weaker than expected economic data from China would not mean a reversal of a positive trend for aluminium, Khan added.

"We still expect capacity cuts from China to remain the main driving factor," he said.

FACTORY DATA: China's July factory output grew 6.4 percent from a year earlier, while fixed-asset investment expanded by 8.3 percent in the first seven months, both below economists' forecasts.

OUTPUT: China Hongqiao, the world's biggest aluminium producer, on Monday confirmed it had closed 2.68 million tonnes of smelting capacity after being ordered to do so by the government of its home province of Shandong.

China's aluminium output fell 8.2 percent in July from a record high a month earlier, data showed on Monday, as capacity cuts that have sent prices to multi-year highs start to take their toll on the country's output.

LME STOCKS: Inventories of aluminium in LME-registered warehouses are near nine-year lows, having shed more than 40 percent in 2017 to 1.3 million tonnes.

SHFE STOCKS: Shfe aluminium stocks <AL-STX-SGH> which have been climbing all year, hit their highest level since May 2013 at 473,000 tonnes.

DOLLAR: Industrial metals overall were pressured by a stronger U.S. currency, which makes dollar-denominated commodities more expensive for non-U.S. buyers.

SPREADS: Aluminium cash to three-month spreads <CMAL0-3> have narrowed sharply, suggesting shorts are likely to deliver against their positions where possible as the prime traded contract expires this week.

COPPER: Benchmark copper eased by 0.3 percent to $6,392.50 a tonne. Prices hit the highest level in more than 2-1/2 years on Aug. 9 at $6,515 and are up almost 8 percent this quarter.

SPECULATORS: Hedge funds and money managers lifted their net long position in copper futures and options to a record level, U.S. Commodity Futures Trading Commission data showed on Friday.

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(Additional reporting by Melanie Burton in Melbourne; Editing by David Goodman)