Lower prices for oil and other commodities are delivering China a windfall, as the world’s largest importer of natural resources stocks up and saves money in the process. By some estimates, China is enjoying annual headline savings of as much as $250 billion from stepped-up purchases of discounted oil, copper and iron ore–much of it arriving aboard dented bulk carriers and greasy tankers at northeastern Dalian port and other trade gateways. “China is the mega winner from the drop in industrial commodity prices,” said Kenneth Courtis, chairman of Starfort Holdings, an investment, private equity and commodity group. He estimates that China is saving over $600 million on its daily 12-million-barrel import bill, or over $200 billion a year, following the halving in oil prices since last summer. Those savings are equivalent to the investment initiatives announced by the government to strengthen ties with neighbors by building trade […]