Chinese Vice Premier Li Keqiang left here Tuesday after wrapping up a three-day official goodwill visit to the Democratic People\'s Republic of Korea (DPRK). During his visit, Li met separately with the DPRK\'s top leader Kim Jong Il, top legislator Kim Yong Nam and premier Choe Yong Rim. Li laid a wreath at the Friendship Tower in Pyongyang on Monday, paying tribute to Chinese soldiers killed in the Korean War, and visited Kim Il Sung University where he observed a Chinese-language training course and chatted with teachers and students. Li arrived here Sunday at the invitation of the Central Committee of the Workers\' Party of Korea (WPK) and the DPRK government. Li will pay an official visit to South Korea from Oct. 26 to Oct. 27.