China will never give up an inch of its territory, whether the self-ruled island of Taiwan it claims as its own, or in the disputed waters of the South China Sea, the country's defence minister said on Thursday.
Beijing has been infuriated by recent U.S. sanctions on its military, one of a growing number of flashpoints in ties with Washington that include a bitter trade war, Taiwan and China's increasingly muscular military posture in the South China Sea.
Chinese Defence Minister Wei Fenghe made the remarks at the opening of the Xiangshan Forum in Beijing, which China styles as its answer to the annual Shangri-La Dialogue security forum in the wealthy city-state of Singapore.
China's military ties with the United States are important and sensitive, Wei said, adding that Taiwan was a "core" interest of China's and Beijing opposed displays of strength by "outside forces" in the South China Sea.
The world's two largest economies needed to deepen high-level ties so as to navigate tension and rein in the risk of inadvertent conflict, U.S. Defense Secretary Jim Mattis told his Chinese counterpart last week.
Mattis saw firsthand last month how mounting Sino-U.S. friction can undermine military contacts, when Beijing upended plans for him to meet Wei in October.
China has been angered by the U.S. sanctions on its military for buying weapons from Russia, and by what Beijing sees as stepped-up U.S. support for democratic Taiwan, which it claims as sacred territory.
China has also expressed concern after U.S. President Donald Trump said Washington would withdraw from a landmark Cold War-era treaty that eliminated nuclear missiles from Europe because Russia was violating the pact.
China is not a party to that treaty, but Trump has also suggested Beijing's military strength played a role in his decision, which China has described as "completely wrong".
On Monday, the United States sent two warships through the Taiwan Strait in the second such operation this year.
China-Taiwan relations have deteriorated since the island's President Tsai Ing-wen, of the independence-leaning Democratic Progressive Party, swept to power in 2016.
Beijing, which has never renounced the use of force to bring Taiwan under its control, has also viewed U.S. overtures toward the island with alarm, such as a new de facto embassy there and passage of a law to encourage visits by U.S. officials.
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