Our company produces all the categories of concrete, provided for by KTS 2016, but also the older categories according to KTS 97, for structures licensed before April 2017, namely C8/10, C12/15, C16/20, C20/25, C25/30, C30/37, C35/45, and slump S1, S2, S3, S4, as well as special compositions according to the customer’s order.