China sanctions 5 US defense companies in response to US sanctions and arms sales to Taiwan

China announced sanctions Sunday on five American defense-related companies in response to U.S. arms sales to Taiwan and U.S. sanctions on Chinese companies and individuals.

The sanctions will freeze any property the companies have in China and prohibit organizations and individuals in China from doing business with them, the Foreign Ministry said in a statement posted online.

It was unclear what impact, if any, the sanctions would have on the companies, BAE Systems Land and Armaments, Alliant Techsystems Operations, AeroVironment, ViaSat and Data Link Solutions. Such sanctions are often mostly symbolic as American defense contractors generally don’t sell to China.

The Foreign Ministry said the U.S. moves harmed China’s sovereignty and security interests, undermined peace and stability across the Taiwan Strait and violated the rights and interests of Chinese companies and individuals.

“The Chinese government remains unwavering in our resolve to safeguard national sovereignty, security and territorial integrity and protect the lawful rights and interests of Chinese companies and citizens,” the ministry statement said.

The announcement was made less than a week ahead of a presidential election in Taiwan that is being contested in large part over how the government should manage its relationship with China, which claims the self-governing island as its territory and says it must come under its rule.

The Chinese Foreign Ministry did not specify which arms deal or which U.S. sanctions China was responding to, though spokesperson Wang Wenbin had warned three weeks ago that China would take countermeasures following the U.S. government’s approval of a $300 million military package for Taiwan in December.

The deal includes equipment, training and equipment repair to maintain Taiwan’s command, control and military communications capabilities.

The U.S. said the sale would support the modernization of Taiwan’s armed forces and the maintenance of a credible defense. “The proposed sale will improve the recipient’s capability to meet current and future threats by enhancing operational readiness,” a news release from the Pentagon’s Defense Security Cooperation Agency said.

Taiwan is a major flashpoint in U.S.-China relations that analysts worry could explode into military conflict between the two powers. China says that U.S. arms sales to Taiwan are interference in its domestic affairs.

The Chinese military regularly sends fighter planes and ships into and over the waters around Taiwan, in part to deter the island’s government from declaring formal independence. An invasion doesn’t appear imminent, but the constant military activity serves as a reminder that the threat is ever-present.

The U.S. switched diplomatic recognition from Taiwan to China in 1979, but it is bound by its own laws to ensure that Taiwan has the ability to defend itself. America and its allies sail warships through the Taiwan Strait, a 160-kilometer (100-mile) -wide waterway that separates the island from China.

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