The material is tested according to the required standards and certificates are issued in accordance with EN 10204 standard which provides for:

• 2.1 Certificate of conformity to the order. Issued by the manufacturer.
• 2.2 Certificate of conformity to the order with results of non-specific tests. Issued by the manufacturer.
• 3.1 Certificate of conformity to the order with results of specific tests. Issued by an internal representative independent of the production department.
• 3.2 Certificate of conformity to the order with results of specific tests. Issued by an internal representative independent of the production department and endorsed by an inspector from an organisation named by the customer or an inspector from an organisation specified by the production standards.