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Beef imported into China must be sourced from cattle that were born, raised and slaughtered in the United States, or cattle born in Canada and Mexico before being slaughtered in the United States. The cattle must not be the offspring of cattle suspected or diagnosed with bovine spongiform encephalopathy, also known as "mad cow disease", the statement said.

Before coming, he asked some of his friends who came from the Northeast to teach him some Dongbeihua.

Beijing police have cracked down hard on economic crime this year, with the aim to ensure security and maintain market order, the capital's Public Security Bureau said on Tuesday.

Beijing expressed strong disapproval with the G7 Summit statement's comments on the East and South China seas, and it has asked the group to "stop making irresponsible remarks".

Beijing-based China Communications Construction Co Ltd launched an online event late last month to provide the public a chance to virtually tour Port City Colombo in Sri Lanka.