Highest quality for people and the environment

Quality enjoys a very high priority at FERRO DUO. Constant controls ensure that our products meet the highest standards.

Our iron and aluminium salts are strictly monitored during the manufacturing process. Our quality management system meets all requirements according to > ISO 9001, ISO 14001 and ISO 45001.

Our certificates at a glance

To ensure the quality of our company processes and products, Ferro Duo is certified. These certificates are available for download.

Quality management with a system:

• DIN EN ISO 9001 + DIN EN ISO 14001 + DIN ISO 45001 for Duisburg
• DIN EN ISO 9001 + DIN EN ISO 14001 + DIN ISO 45001 for Münster

You can request further certificates via contact form.