China's policy of economic and trade cooperation with the Democratic People's Republic of Korea (DPRK) remains unchanged, Chinese Foreign Ministry spokesman Liu Jianchao said Tuesday.

Liu said the economic and trade cooperation between China and the DPRK aims at strengthening the national economy and people's livelihood of DPRK so as to help the country to overcome some difficulties in energy and food supply.

China and the DPRK have been carrying out normal economic and trade cooperation, the spokesman told a regular press conference.