China's exports in Yuan-denominated terms rose 4.1% year-on-year in April while imports dipped by 5.7%, leading to a trade surplus of 298 billion yuan ($45.9 billion), customs data released on Sunday showed. The trade surplus was up from 194.6 billion yuan ($30 billion) in March. In the January-April period, trade surplus widened 16.5% year-on-year to 1.11 trillion yuan ($170 billion).