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The figure is a perennial point of contention for China's key trade partners, the United States and Europe, who argue that China's currency is grossly undervalued, giving its exporters unfair advantage. China's exports rose 13.8 percent year-on-year -- up from $157.49 billion in October, Dow Jones reported. November imports rose 22.1 percent year-on-year, up from the $140.46 billion recorded a month earlier.