Chinese companies' overseas investments show a rapidly increasing momentum.

China is expected to become a capital exporting country very soon, Liu Zuozhang, director general of the investment promotion agency under the Ministry of Commerce, told Xinhua News Agency Monday.

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According to Liu, Chinese companies' foreign direct investment (FDI) reached $59 billion and covered 122 countries and regions last year. The FDI is expected to top $100 billion in three to four years, according to the news report. China attracted a record high FDI of $105.7 billion in 2010.

Overseas investment is a long and risky process. Liu suggests Chinese companies carry out careful assessment and comprehensive, forward-looking research before investing.

Regarding the fact that some countries shut out investments from China due to economic safety and industrial policy concerns, Liu said domestic large-scaled State-owned enterprises do have the barrier. He said that's because they are subsidized by the government's low-interest preferential loans and supporting policies. It would distort the country's market competition if they let those enterprises in, he added.

Liu said it's not easy to solve this problem in the short term. In order to do that, communication between governments and enterprises on both sides need to be strengthened in a bid to create mutual benefits, Xinhua reported.