January continued December's decline and indicated the lowest factory activity since August.
Foreign direct investment into the Chinese mainland rose 16.11% year-on-year in January to reach $10.76 billion, the Ministry of Commerce said Tuesday.
China's consumer price index, a main gauge of inflation, rose 2.5% year-on-year in January, the same as the previous month.
China's producer price index (PPI), a main gauge of inflation at the wholesale level, contracted 1.6% year on year in January.
China's foreign trade in services had a deficit of 81.4 billion yuan ($13.3 billion) in January.
Home prices dropped month-on-month in more Chinese cities in January, adding to signs pointing to a gradually cooling property sector.
China's new yuan-denominated lending reached 1.32 trillion yuan ($216 billion) in January, up 246.9 billion yuan year on year, the central bank said on Saturday.
China's foreign trade in services in 2013 hit a new high of $540 billion, up 14.7 percent from the previous year, data with the Ministry of Commerce (MOC) showed Wednesday.
China's rise as a strong trading nation will not only help it meet its domestic economic goals, but also deepen its ties with the world.
Considering that China's Lunar New Year was in late January this year, the reading shows that consumer prices remain stable and controllable.
Reading between the lines, economists at home and abroad were divided over why the figure is so strong and its implications for the economy.