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ABS - American Bureau of Shipping

Krefeld - Forging Facility and Process Approval


Witten - Foundry Facility and Process Approval


Witten - Rolled bars-Machinery, Facility and Process Approval


Witten - Forging Facility and Process Approval


Siegen - Foundry Facility and Process Approval[GB]
Siegen - Rolled bars-Machinery, Facility and Process Approval[GB]

BV - Bureau Veritas

Witten - Steelmaking, rolling and forgings[GB]
Krefeld - forgings[GB]
Siegen - steelmaking and rolling[GB]

Class NK - Nippon Kaiji Kyokai

Witten - Ingots and forgings[GB]

DNV_GL - Det Norske Veritas_Germanischer Lloyd

Witten - Steel forgings (incl. HY-80 & HY-100)[GB]
Witten - Steelmaking & rolled steel products (incl. HY-80 & HY-100)[GB]
Krefeld - Steel forgings[GB]
Siegen - Steelmaking & rolled steel products

Hagen - Rolled steel products


Witten - OS-E302 Offshore Mooring Chain


Krefeld - OS-E302 Offshore Mooring Chain


LR - Lloyd's Register

Siegen - Steelmaking and bars[GB]
Witten - Steelmaking, Semi-Finished Products and bars[GB]
Witten - Forgings[GB]
Interim Confirmation Witten (for both approvals)[GB]

Krefeld - Forgings


Interim Confirmation Krefeld[GB]

KRS - Korean Register of Shipping

Witten - stainless steels - steelmaking, rolling and forgings


Krefeld - stainless steels - forgings


Siegen - steinless steels - steelmaking, rolling


RINA - Registro Italiano Navale

Witten, Krefeld - steelmaking, rolling and forgings [GB]