These ‘phytosanitary issues’ arise because of different standards in different importing nations.
The U.S. and its allies have responded with so-called freedom of navigation patrols in the South China Sea and Taiwan Strait, sometimes encountering a pushback from China’s military.
Austin said Washington remains committed to the “one-China policy,” which recognises Beijing but allows informal relations and defence ties with Taipei.
US-China tensions have been soaring over democratic, self-ruled Taiwan, which lives under constant threat of invasion by China.
The US-Taiwan Initiative on 21st-Century Trade follows an agreement President Joe Biden announced last week with 12 Asian economies, which excluded Taiwan.
State outlet Xinhua said Zhu "urged the United States to stop any remarks or actions" that violate previously established principles between the two countries.
Beijing reiterated that "Taiwan is an inalienable part of the Chinese territory and the Taiwan question is purely China's internal affair, which brooks no foreign interference."
Biden, who is in Tokyo to meet regional allies, earlier on Monday warned that China's increasingly assertive stance over the island was 'flirting with danger'.
White House national security adviser Jake Sullivan confirmed that Taiwan isn't among the governments signed up for the launch of the Indo-Pacific Economic Framework.
Japanese authorities said a magnitude 6.6 quake struck off the southern and westernmost island of Yonaguni, which is about 110 kilometres (66 miles) east of Taiwan.
Japanese and Taiwanese media on Thursday reported that Pelosi will visit Taiwan next week, after leading a delegation to Japan this weekend.
Amid Xi-Biden talks, two Chinese fighter jets, helicopter enter Taiwan's air defense identification zone
The Ministry of National Defense informed that Taiwan's Air Force jets issued radio warnings telling the Chinese aircraft to turn back immediately, reported Taiwan News.
China on Friday again sought to highlight its calls for negotiations and donations of humanitarian aid, while accusing the US of provoking Russia and fueling the conflict by shipping arms to Ukraine.
Taiwan has strongly condemned Russia's invasion of Ukraine and had said it would impose economic sanctions against Russia.
China’s People’s Liberation Army’s Eastern Command announced it had recently conducted landing drills in an undisclosed location in the East China Sea.