The construction, design and service activities in the field of construction with a focus on land, transport, underground, water supply and special construction. These buildings then are single-family houses, but also industrial buildings, roads, railways or bridges.

The company CBN, v.o.s. was established in 1993, March. Since beginning it has been public company. Activity: - import, wholesale, sale: - abrasives / grinding materials - the series of PremiumFlex, ProFlex, ProMax, LamoFlex - grinding / abrasive wheels - cutting wheels - lamellar wheels - lamellas: (diameters of 115, ...