The Rahung Concrete Sleeper Factory established a new line to lay a foundation for increasing production at a low cost.

Technicians and workers at the Sungho Concrete Sleeper Factory introduced valuable innovations to remodel the production process into a labor-, energy- and site-saving one and increase the sleeper production.

The Pukchang Concrete Sleeper Production Station under the Pyongyang Railway Bureau has strengthened cooperation between all the processes and ensured the full operation of machines and equipment for increased production.

Officials and workers at the Ripsok Concrete Sleeper Production Station are scrupulously managing equipment and improving the technical control to raise the productivity.