US Treasury chief Janet Yellen warns during a visit to China that there is concern among several countries that Beijing's production "overcapacity" is "now really growing as a threat" and could push companies in industries such as EVs, batteries, solar "out of business because of artificially cheap exports" from the East Asian giant. Yellen also kicked off her first day of talks with Vice Premier He Lifeng, seen as one of Beijing's most powerful economic policymakers, who said he looked forward to further discussions on global economy policy. IMAGES AND SOUNDBITES