In 1931, with the launch of the first shaft with a capacity of 10 thousand tons per year of lime, was laid down the foundation of industrial production, which has an important national economic The significance and development of the village of Rub.Since then they began to increase annually production capacity.In 1936, the second shaft furnace was put into operation, with a capacity of 12 thousand tons per year. Geological exploration work carried out in 1930 and 1934, confirmed significant deposits of dolomite limestone and the prospects of development factory.
Exploration work carried out in 1930 and 1934 confirmed significant deposits of dolomite limestone and the promise of the development of the plant.In the mid-30s The first steam excavator appeared in the shirt career, which was moving specially arranged in the career of the railway and carried out open work.Bucket capacity The excavator was 0.5 cubic meters.Removing soil from open work was carried out with using a narrow track operating on a railway track laid down In parallel to the path of movement of the excavator.