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"China firmly rejects it and urges the US to immediately stop its erroneous practice and provide a level playing field for Chinese and other foreign companies."

"China is a country which is home to mega-sized cities, and the government will adopt various means to restrict these big cities from expanding too much," he said, adding that such restrictions will make a city function at a lower efficiency, especially in resource distribution.

"By hammering on each wooden railroad tie, workers can tell how much it has eroded and when to replace them with new ones," Dong said, adding a routine check of the ties is arranged once a month.

"China is currently facilitating access to its market for German companies in some areas," Matthes said.

"China practices a policy of equality, unity and mutual assistance among all ethnic groups; it respects and protects the people of all ethnic groups' right to freedom of religious belief; it promotes the long-term harmonious coexistence of the people of all ethnic groups; and it promotes the sustained and all-around development of ethnic minorities in political, economic, social and cultural fields," he said.