Pyongyang, May 4 (KCNA) -- Kim Song Mu, section chief of the Material Science Faculty of Kim Il Sung University, is one of the DPRK's best scientists and technicians for 2025.

He developed a sealing ring for various kinds of compressors widely used in various sectors of the national economy.

His research finding is conducive to the economic development of the country as it helps not only lengthen the serviceable life of products than the previous one but also increase productivity while saving a lot of manpower and time spent on the repair of compressors. -0-