surge 18.7 pct@ (Corrects headline to 2017 from Dec)
BEIJING, Jan 12 (Reuters) - China's exports denominated in yuan rose 10.8 percent year-on-year in 2017, the General Administration of Customs said on Friday.
Yuan-denominated imports rose 18.7 percent last year, which produced a trade surplus of 2.87 trillion yuan.
Customs is expected to release dollar-denominated trade data later on Friday. (Reporting by Yawen Chen and Elias Glenn; Editing by Shri Navaratnam)