Employees work on an electronics production line of Siemens in Suzhou, Jiangsu province. [Photo by Hua Xuegen/For China Daily]

Foreign direct investment (FDI) into the Chinese mainland, in actual use, expanded 17.3 percent year-on-year to 564.2 billion yuan in the first five months of the year, the Ministry of Commerce said Tuesday.

In US dollar terms, the inflow went up 22.6 percent year-on-year to $87.77 billion.

The service industry saw FDI inflows jump by 10.8 percent year-on-year to 423.3 billion yuan, while that of high-tech industries surged by 42.7 percent from a year earlier, data from the ministry shows.

Specifically, FDI in high-tech manufacturing rose 32.9 percent from the same period a year ago, while that in the high-tech service sector surged 45.4 percent year-on-year, the data shows.

During the period, investment from the Republic of Korea, the United States, and Germany climbed by 52.8 percent, 27.1 percent, and 21.4 percent, respectively.

In the January-May period, FDI flowing into the country's central region reported a rapid year-on-year increase of 35.6 percent, followed by 17.9 percent in the western region, and 16.1 percent in the eastern region.