N. Korean premier’s China trip signals push to revive economic cooperation

North Korean Premier Pak Thae-song’s visit to China appears to have laid the groundwork for a broader revival of bilateral economic and infrastructure cooperation, as Beijing extended unusually high-level diplomatic treatment to the North Korean delegation following Chinese President Xi Jinping’s visit to Pyongyang in June, observers said Monday.

Pak returned to Pyongyang on Sunday after a three-day visit marking the 65th anniversary of the Treaty of Friendship, Cooperation and Mutual Assistance ...