(Updates prices, changes dateline from SYDNEY)
* LME/ShFE arb: http://bit.ly/2wZSAEz
* GRAPHIC-2017 metal returns: http://tmsnrt.rs/2eqHKkL
LONDON, Oct 13 (Reuters) - Nickel prices hit a one-month high on Friday on concerns China might order output cuts in the sector as it ramps up efforts to clean its skies, while aluminium rose on news a Chinese city had ordered capacity reductions.
The city of Binzhou, home to top global aluminium maker China Hongqiao Group, has ordered 2.57 million tonnes of annual smelting capacity to be closed this winter.
China's Communist Party Congress takes place next week and markets are growing concerned that Beijing will broaden efforts to eliminate more polluting mines and metal plants, especially during the winter months.
"The China environmental cuts are definitely having an impact. The concern is it could spread across the industry. On the nickel side there's been reports we may see capacity cuts in nickel pig iron in China," said Warren Patterson, commodities strategist at ING.
"The global economy is ticking along, China's come back from holidays a bit more bullish, every data point we see out of China, out of the U.S., out of Europe, looks fairly positive."
China's import and export growth accelerated in September, data showed, suggesting the economy is still expanding at a healthy pace despite widespread forecasts of an eventual slowdown.
* NICKEL PRICE: Three-month nickel on the London Metal Exchange climbed 2.2 percent to $11,650, having hit a one-month high of $11,655, extending a 2.3 percent rise from the previous session.
* OTHER METAL PRICES: Aluminium rose 0.9 percent to $2,165.50 a tonne, copper rose 0.1 percent to $6,896, having hit a month high of $6,910, while zinc was flat at $3,251.
* CHINA COMMODITY IMPORTS: China's factories splurged on imported commodities last month amid rising costs and tighter raw material supplies driven by Beijing's anti-pollution campaign. But the strength is unlikely to be sustained as many companies curb production during winter.
* NICKEL STOCKS: LME data showed on-warrant or available nickel stocks fell 2,640 tonnes to 250,056, though they are up some 4 percent since the start of the year. <MNI-STOCKS>
* CHINA COPPER IMPORTS: China's unwrought copper imports climbed 26.5 percent in September from a year earlier to 430,000 tonnes, hitting their highest monthly level this year. .
* CHINA ALUMINIUM EXPORTS: China exported 370,000 tonnes of unwrought aluminium and aluminium products in September, down 10 percent from August. Exports were at their lowest since February. 1/8
* ZINC SPREAD: Indicating tight nearby supply, cash zinc traded at a premium of $91 a tonne to the three-month price <CMZN0-3>, its highest level on Reuters data going back to June 2009.
* ZINC STOCKS: LME data showed on-warrant or available zinc stocks 11,075 tonnes lower at 122,425, down some 60 percent this year. <MZNSTX-TOTAL>
(Additional reporting by James Regan; Editing by Dale Hudson)