A North Korean ruling party delegation has returned home following an eleven-day visit to China.

The delegates visited the city of Ningbo, a major Chinese trade port in the eastern coastal province of Zhejiang, on Wednesday and explored opportunities for bilateral economic cooperation.

They returned to Beijing on Thursday where they flew back to Pyongyang on an Air Koryo flight.

Senior officials of the Chinese Communist Party's International Department and North Korean Ambassador to China Ji Jae-ryong saw off the North Korean delegation at Beijing Capital International Airport.

According to a source in Beijing, the delegation led by Pak Thae-song who is vice chairman of the Central Committee of the ruling Workers' Party arrived in Ningbo on Wednesday accompanied by Wang Yajun, assistant minister of the Chinese Communist Party's International Department.

There the North Koreans met with municipal and provincial Chinese officials and discussed bilateral cooperation.

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