Yellen, We Want a Healthy Economic Relationship with China - Breaking News. US Treasury Secretary Janet Yellen met Chinese Vice Premier He Lifeng in Guangzhou, Guangdong, to whom she reported that the US "seeks a healthy economic relationship that benefits both sides" Yellen said she believed it was "fundamental that the two largest economies" on the planet "seek progress on global challenges such as climate change and the debt emergency in emerging markets and developing countries" "We have met our leaders' challenge to put US-China relations on a    firmer footing," Yellen added.