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"China and the United States are the two largest economies in the world…managing their relations effectively, instead of pointing fingers and exerting pressure on one another, is of great concern to everyone," he said.

"China has talked about reform and opening-up ever since I first started going there in the early 1990s, and they have done a very good job, so now let's keep it up," he said.

"China is a market with a population of 1.4 billion and 400 million middle-income earners, and there is a strong demand for consumption upgrade," said Wang Bin, an official at the Ministry of Commerce. "The domestic consumption market is full of potential and it is China's biggest advantage to maintain long-term stable development."

"China is a strategically relevant market for the development and application of fuel cells," said Wang Weiliang, regional president of Bosch Powertrain Solutions China.

"China has done its part in an unprecedented way," he added.