Home About us Offer Reference gallery contact To download Calculus Sp. z o. o. started its activity in 2010. From the very beginning, the company had its branch in Germany, where the Pomellen-Nord mine is located. Due to the constant development, Calculus GmbH was established, which from May 1, 2012 took over duties and tasks from Calculus Sp. z o. o. Pomellen-Nord branch. The companies were one of the first entities on the local markets to introduce dry-sown aggregates, which are successfully selling and boldly competing with the washed aggregates sold so far. read more All rights reserved www.prestomedia.pl