BEIJING, March 7 (Xinhua) -- Uyunqimg, vice-chairwoman of the Standing Committee of the National People's Congress (NPC), China's top legislature, Wednesday met with a delegation headed by Wojciech Olejniczak, leader of the Democratic Left Alliance (SLD) of Poland.

    Uyunqimg said SLD is an important party of Poland and the Communist Party of China (CPC) is ready to strengthen cooperation with SLD on the basis of the four principles guiding inter-party exchanges, according to sources of the International Department of the CPC Central Committee.

    She said China and Poland share a deep traditional friendship and China always attaches great importance to ties with Poland, and that she hoped the lasting and steady growth of this relationship be maintained through joint efforts.

    Olejniczak, also deputy speaker of the House of Representatives of Poland, is invited by the CPC on a visit to China from March 2 to 9.

    The delegation have visited Shanghai, China's economic hub, and Shanxi Province in north China.