Vice-Premier Zhang Gaoli on Friday met four foreign leaders who will attend the opening ceremony of the Eco-Forum Global Annual Conference in Guiyang, capital of Guizhou province.

During the meeting with Swiss President Ueli Maurer, Dominican Prime Minister Roosevelt Skerrit, Tongan Prime Minister Siale'ataonga Tu'ivakano and Thai Deputy Prime Minister Nivatthamrong Boonsongpaisal, Zhang said the Chinese government attaches great importance to the environment.

China incorporates the concept of ecological civilization into economic, political, cultural and social development, said the vice-premier.