 The Porphyry and Diabase Quarrying Company Ltd T. Ko¶ciuszki Str. 10 32-065 Krzeszowice Poland tel. (+4812) 2820619 tel./fax (+4812) 2822600 Email: zarzad@kruszywa.com        Aleksander Kępka AKOMI Kraków | Our offeraggregate for railroad works: broken stone, key aggregate aggregate for roads: broken stone, key aggregate, grit, unsorted stone aggregate for construction works: key aggregate, grit, unsorted stone stone material for enclosure walls, foundations and ground-work Aggregate is produced from volcanic effusive rock material – porphyry and diabase. It is hard, resistant to changing atmospheric conditions, and ecologically clean. Aggregate is loaded onto freight cars at our own railway siding. The loading is free of charge. We issue attestations and certificates of conformity with Polish Standard 
Diabase
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