Various customers also conduct regular production monitoring and supplier audits in our house. Countless approvals from renowned customers in the telecommunications sector (such as A1 Telekom Austria, Tele Danmark, Swisscom, P&T Luxembourg, Belgacom, MATAV, HT for example) as well as in the railways sector (ÖBB, DB, SBB, SNCF, MAV and many more) and the fact that we enjoy long-term business relationships with many of our customers, are guarantees of the enduring high quality of our products and services.