The Sungho Concrete Sleeper Factory has carried out its production plan without fail.

The factory has ensured the quality of concrete sleepers while observing the technical rules and standard regulations in every production line.

The sleeper factories under the Pyongyang Railway Bureau are keeping the production going at a higher rate.

The Sariwon Concrete Sleeper Production Station over-fulfills its daily quota by further strengthening the material and technical foundations for production.

The Pukchang Concrete Sleeper Production Station and the Sunchon Concrete Sleeper Production Station are improving the quality of concrete sleepers by introducing efficient methods into production.

Similar successes have been witnessed at sleeper production units under the Kaechon and Hamhung railway bureaus, the Rahung Concrete Sleeper Factory and those under the Chongjin Railway Bureau.