The US is angry with China's sanctions!

<p>&nbsp;China's move to place export controls on two metals that are vital to key technologies appears to have raised concerns in the United States.</p><p><br /></p><p>Treasury Secretary Janet Yellen voiced those concerns in a meeting with US businessmen operating in China on Friday.</p><p><br /></p><p>Yellen began a four-day visit to China to focus on efforts to ease tensions between the world's two largest economies.</p><p><br /></p><p>Earlier this week, China's Ministry of Commerce announced that starting August 1, companies wishing to export the two metals for semiconductor manufacturing will need to apply for a license.</p><p><br /></p><p><br /></p><p>Yellen said the US Treasury is still assessing the impact of the move, but at the same time it is reminding her of the importance of building a resilient and diverse supply chain.</p><p><br /></p><p>Even so, if you look back, Beijing's actions are not as big as those done by America, which has imposed various sanctions on the country to restrict its technological development.</p><p><br /></p><p>That includes sweeping export controls that took effect in October and restricts the ability of US businesses to sell certain advanced computing semiconductors or related manufacturing equipment to China.</p><p><br /></p><p>Meanwhile, China has redoubled its efforts to attract foreign investment and business as a step to rebuild its economy affected by the pandemic.</p>