Workers and technicians of the Sungho Concrete Sleeper Factory have pushed ahead with the production of sleepers while introducing new working methods and rational jigs and equipment and strengthening the ties between units and processes.

The Rahung Concrete Sleeper Factory has increased its production capacity by promoting the technical innovation movement.

The Kim Jong Thae Electric Locomotive Complex turned out various accessories needed for repairing locomotives and passenger and freight cars, thus contributing to carrying much more freight to different sectors of the national economy.

The Pyongyang Rolling Stock Repair Factory enhanced its capacity to repair hundreds of wagons, thus providing a solid material guarantee for freight transport.