Our suppliers follow quality assurance systems such as ISO 9001:2009, ISO 18001-2004, and ISO 14001-2005 and Lloyd’s register. They have their own laboratories to test the mechanical properties of products, including hardness, elongation, and micrometer measurements. They also conduct penetration and ultrasonic tests and issue certificates of compliance according to EN 10204-2.2, 2.3, and 3.1B standards.