(REUTERS)  Global Ferronickel Holdings Inc , the Philippines’ second-largest nickel producer, said on Monday it may resume shipments of higher grade ores to China in the second half of 2016 when prices are anticipated to improve further. The company expects a “better performance” in the second half, after booking losses in the first half on lower volumes and prices, and pass an audit by the government, which has launched a crackdown on miners violating environmental […]