- natural, artificial and recycled
- Performance of accredited taking, initial type-testing of the products and certification of factory production control system according to:EN 12620:2002+A1:2008 Aggregates for concrete.
- EN 13043:2002/AC:2004 Aggregates for bituminous mixtures and surface treatments for roads, airfields and other traffic areas.
- EN 13242:2002+A1:2007 Aggregates for unbound and hydraulically bound materials for use in civil engineering work and road construction.
- EN 13450:2002/AC:2004 Aggregates for railway ballast.
- EN 13139:2002/AC:2004 Aggregates for mortar.
- EN 13055-1:2002/AC:2004 Lightweight aggregates - Part 1: Lightweight aggregates for concrete, mortar and grout.
Complete preconstruction tests of aggregates according to hEN requirements and departmental regulations – MDS (ŘSD), OTP ČD (SŽDC), ŘVC etc.