In January 1969, Kang was appointed to deputy bureau manager in the Cabinet administrative bureau. He became ambassador to
Romania in 1969, and to
Malta in 1971. Kang served as chair of the central committee of the
Korean Christian Federation (KCF) starting in February 1989, vice-president of the starting in May 1989, and chair of the KCF central committee in May 1990. He served as a member of the unification policy committee of the
Supreme People's Assembly (SPA) starting in May 1990, and as a member of the central committee of the North Korean branch of the Pan-Korean Alliance for Reunification (PKAR). In March 1991, he was appointed to the directorship of the
Pyongyang Theological Academy. Starting in July 1991, he served as vice-president of the DPRK-Japan Friendship Association, and as a member of the central committee of the
Democratic Front for the Reunification of the Fatherland. He became vice-chair of the PKAR in August 1993, and served as deputy chair of the North Korean committee for implementation of the June 15th North–South Joint Declaration. He died in Pyongyang of a heart attack on January 21, 2012. After being elected to the
9th Supreme People's Assembly in April 1990, Kang served in the 10th (1998), 11th (2003), and 12th (2009) sessions of the SPA as delegate and member of the
SPA Presidium. He was a member of the national mourning committees for the
deaths of Kim Il Sung in 1994,
Ri In-mo in 2007, and
Pak Song-chol in 2008. ==Awards==