LONDON: China, the world's largest aluminium producer, is still running short of primary metal. The country imported another 140, 000 tonnes in October, bringing the year-to-date total to 1.27 million tonnes. Multiple Chinese smelters have been ordered to reduce or curtail production as provincial governments try to meet quarterly energy usage and efficiency targets. China's national output of aluminium peaked in February, when it was running at an annualised rate of 39.7 million tonnes.... The