Beijing - China's exports rose 7.9 percent year on year to $2.21 trillion in 2013, while imports increased 7.3 percent to $1.95 trillion, customs data revealed on Friday.

Foreign trade surplus widened to $259.75 billion in 2013, an increase of 12.8 percent from a year earlier.

Last year, the country's total exports and imports value surpassed the $4-trillion-mark for the first time to reach $4.16 trillion, an increase of 7.6 percent year on year.