Pyongyang, May 14 (KCNA) -- A national sci-tech presentation and exhibition in the field of welding took place at the Nampho Taejin Welding Rod Factory on Monday and Tuesday under the sponsorship of the Central Committee of the General Federation of Science and Technology of Korea.
Present there were scientists, technicians, teachers, researchers, graduate students and field officials from various units including the Welding Institute of the State Academy of Sciences, Kim Chaek University of Technology, Pyongyang University of Architecture, Pyongyang University of Mechanical Engineering and the Munchon Kumgang Smeltery.

The participants presented more than 70 papers and exhibits conducive to the research and development of the new welding method and welding equipment and to putting the welding materials on a Juche basis

There took place a lecture on new technologies and a show during the presentation and exhibition.