Kim Song Nyo was born into a day laborer's family before the liberation of Korea from Japan's colonial rule. She has worked as a road cleaner, leading a worthy life in the country liberated by President Kim Il Sung.

Chairman Kim Jong Il met her on Kubong Pass during his field guidance to Jagang Province in August Juche 89 (2000), put her forward as a model of the era and her family as the one of patriots and showed loving care on several occasions.

Ha Sun Man who was born into a poor family in Unryul County has dedicated his whole life to the prosperity of the country after the liberation of Korea.

He over-fulfilled the plan for iron ore production for over fifty years to be honored with the title of Labor Hero.