there have been tariffs on more than half of what they sell each other. in a speech, catherine tighe said she would employ all skills to try to change the dynamic between the us and china on trade. she said she would allow some us companies to apply for an exemption from punitive us tariffs but she refused to rule out further tariffs being imposed if there were further disagreements in the future. us china trade and economic relationship is one of profound consequences. as the two largest economies in the world, how we relate to each other does notjust how we relate to each other does not just affect how we relate to each other does notjust affect our two countries, it impact the entire world and billions of workers. this bilateral relationship is complex and competitive. president biden welcomes that competition to support american workers, grow our economy and create jobs at workers, grow our economy and createjobs at home. workers, grow our economy and create jobs at home. he believ