Pyongyang, August 8 (KCNA) -- Ryanggang Province of the DPRK mass-produced mobile combined threshers and sent them to the farms in the province.

Workers and technicians of the Hyesan Trailing Farm Machine Factory introduced efficient tools and equipment and finished their tasks ahead of schedule while sharing the advanced experience.

The Hyesan Youth Mine and the Hyesan Forestry Machine Factory produced dozens of mobile combined threshers in a short span of time.

Workers of the Unhung Mining Machine Factory and other factories, too, introduced valuable technical innovations to bring about substantial fruition in the manufacture of threshers. -0-