This group after finding success in discovery and excavation different mines of mineral materials such as Quartz , feldspar and caolan and construction stones, established the stone processing factory under the name of Marmarin Sang Kasra  in 2008 in Zanjan Industrial area 1 in order to product and process different types of construction stones specially marble and Travertine .
This factory by the use of the most modern machines and Technology made by Italian company (Breton), has the ability to product and process more than 600/000 m2  (per year ) different  kinds of constructional stones in tiles, strips and slabs with the universe acceptable Quality. Export to Persian Golf countries, East Asia, Russia and Europe, obviously proves the ability and Quality of the productions of this complex.This Industrial and mineral complex which is supported by the large and rich Quarries below, is a believable source to provide the stones for big construction projects. [Detail]