YANGON -- Myanmar president U Thein Sein's three-day state visit to China has opened a new chapter in the history of Myanmar-China relations, Myanmar official media said Sunday.

Describing the visit as the highest level relationship in the areas of relations between the two countries, the New Light of Myanmar stressed in its editorial that the visit has promoted comprehensive strategic cooperative partnership.

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The editorial quoted Myanmar President U Thein Sein as saying that "A historical Paukphaw relationship developed and it has reached a strategic level. So, efforts will be made for further strengthening the relations between the two countries".

The editorial also quoted Chinese President Hu Jintao as agreeing so, underlining that "Successful discussions of the two state leaders during the state visit to PRC are based on improved existing mutual understanding , good neighborliness and bilateral cooperation after the nation's transformation into the Republic of the Union of Myanmar".

As his first visit to China since assuming presidency on March 30, U Thein Sein paid the state visit to Beijing from Thursday to Saturday at the invitation of his Chinese counterpart Hu Jintao, during which the two state leaders had talks on matters of mutual interest and a series of economic agreements were signed.

At the end of the visit on Saturday, a joint statement of the two countries on establishing a comprehensive strategic cooperative partnership was issued.