Campaigning in Cincinnati, the president took took aim at his Republican rival Mitt Romney.
SOUNDBITE: U.S. President Barack Obama saying:
"He's been running around Ohio, claiming he's going to roll up his sleeves, and take the fight to China."
Romney has accused Obama of being too soft on Beijing over its currency and trade practices. On Monday, the president fired back/
SOUNDBITE: U.S. President Barack Obama saying:
"He made money investing in companies that uprooted from here and went to china. Pioneers. Now Ohio you cant stand up to China when all you've done is send them our jobs. You can talk a good game but I like to walk the walk, not just talk the talk."
He also told the crowd his administration had launched a case against China with the World Trade Organization over what is described as illegal auto parts subsidies.
SOUNDBITE: U.S. President Barack Obama saying:
"It is not right. It is against the rules.
Republicans are called the White House move a blatant effort to sway votes in the state. It is the second time Obama announced an action against China while on a campaign stop in Ohio.
