China will ramp its crude oil imports from the United States because the world's two largest economies are natural trade partners when it comes to energy, Chris Wright told CNBC on Friday. China is the largest oil importer in the world and the U.S. is the biggest producer. "There's a natural energy trade there," the U.S. energy secretary told CNBC's Brian Sullivan in an interview at Port Arthur, Texas. China relies heavily on the Middle East for its oil imports. Exports from the Persian Gulf