HANOI, Nov. 6 (Xinhua) -- The 4th Summit of Cambodia, Laos, Myanmar and Vietnam (CLMV) opened in Hanoi on Thursday, with the theme of "Acting Together For Further Integration And Development."

    Cambodian Prime Minister Hun Sen, Lao Prime Minister Bouasone Bouphavanh, Myanmar Prime Minister General Thein Sein, Vietnamese Prime Minister Nguyen Tan Dung and representative from the ASEAN Secretariat attended the summit and delivered speeches.

    "The current global economic situation has posed new challenges to all the countries in the world, including CLMV," said Vietnamese Prime Minister Nguyen Tan Dung at the summit. In this context, CLMV should make more efforts on strengthening cooperation to score growth in each country and push forward the integration among ASEAN (Association of Southeast Asian Nations) countries.

    Dung said this summit will explore measures and orientations for cooperation among CLMV to maximize the development potential in this region. He believed the summit would contribute to strengthening the friendship and cooperation among CLMV.

    Cambodian Prime Minister Hun Sen said at the summit that since the first CLMV, cooperation among CLMV has evolved from designing mechanism to action plans on a range of areas. He said he is confident that CLMV cooperation will continue to make steps forward.

    Leaders attending the summit reviewed progress that has been made since the first CLMV summit, which was held in 2004 and adopted the Vientiane Declaration. They discussed ways to further deepen regional cooperation and integration, as well as concrete measures to further implement the Vientiane Declaration.

    According to the Declaration, key cooperation areas among CLMV include trade and investment, agriculture, industry and energy, transport, information technology, tourism and human resource development.