Of the new infections, 95 were locally transmitted, according to a statement by the National Health Commission, from 116 a day earlier.
Most of the new local cases were in Henan and Shaanxi provinces.
China reported 52 new asymptomatic cases, which it classifies separately from confirmed cases, compared with 45 a day earlier.
There were no new fatalities, leaving the death toll unchanged at 4,636. Mainland China had 103,454 confirmed cases as of Jan 7.