«KAS-BETON» LLP launched its limestone quarry in Tulkubas district of Turkistan region in 2008. The primary business of «KAS- beton» LLP is limestone mining. The annual production capacity is 2,000,000 tons. Director — Ashirov Kuanysh Zhanadilovich.

Limestone is a key raw material for cement clinker, accounting for approximately 80-90% of the raw materials fed into the furnace. This raw material serves two functions in the cement manufacturing process: it is used as a raw material for cement clinker and as an additive to cement. Limestone calcium provides cement properties for the formation of concrete.