Manufacturer of steel fastening elements: Bolts M16 - M52, Nuts M24 - M48, Spring Washers, Cold and Hot-Forged Steel Railway Fasteners - all bolts, nuts, washers, spring clips for rail track structure, fastening elements for mining supports.

FEZ S.A. have supplied ISO 9001:2000, is a member of the Polish Chamber of Railways, owner Q1 Certificate, Deutsche Bahn Q1 - Certificate for railway elements.