Catalogue of Seven Diamonds (920 KB) 
You can find information on certification on many homepages. To facilitate your search we have gathered some of the most relevant links and tools on the subject.
- Metalbulletin
- Steelbb
- Metalcourier
- Mesteel
- irsteel
- International Zinc Association
- International Zinc Association
- International Lead Zinc Research Organization, Inc.
- The American Galvanizers Association (AGA)
- International Steel Group Inc.
- Canfield Metal Coating
- NACE International / The Corrosion Society
- American Institute of Steel Construction
- American Welding Society
- American Iron and Steel Institute
- American Zinc Association
- Belgian Hot Dip Galvanizers Association (Progalva)
- Dutch Galvanizers Association
- European General Galvanizers Association
- UK Galvanizers Association
- Galvanizers Association of Australia
- German Galvanizers Association
- Italian Galvanizers Association
- Spanish Galvanizers Association
- Denmark Zinc Association
- France Galvazinc Association
- Nordic Galvanizers Association
- Belgian Hot Dip Galvanizers Association
- Denmark Zinc Association
- Korea Galvanizers Association
- Japan Galvanizers Association
- www.metalbulletin.com
- www.steelbb.com
- www.irsteel.com
- www.metalspace.com
You can also search for information on the homepage of our Sister company.
