For more than 35 years Güldner manufactures special bolts, head screws, expansion bolts, nuts and CNC turned parts according to customers’ requirements and from many special materials.

Güldner provides inspection test certificates according to DIN EN 10204 / 2.2, 3.1, 3.2, TÜV, DNV-GL, LR, BV, RINA etc.

Güldner is TÜV-accredited manufacturer in accordance with AD2000-Merkblatt W0 / TRD 100 and uses a quality management system in accordance with ISO 9001, KTA 1401, which also conforms to the Pressure Equipment Directive 2014/68/EC. They are also certified according to the regulations of DNV-GL.