(+372) 622 8300 estel@tet‑estel.com Send request Quality Management All company products are certified in accordance with international standards and meets all international requirements and specifications. ISO 9001, ISO 14001, ISO 45001 and OHSAS 18001 certifications are a must features for major European companies. Each standard defines the specific area, which all together form a high degree of social responsibility. Improving the products quality is built on defects prevention, as well as on rejection of defective components before entering the production process, also on an identifying and eliminating errors in the early stages of the production cycle. Improvements in organizational process are achieved through continuous development of skills, raising competence and sense of responsibility of each employee, maintaining the level of production culture. Also, TET Estel pays great attention to environmental issues. In product design and production process we strictly use environmentally friendly materials and technologies only. Anno 1870 1870 November 27: Factory foundation day 1894 In the Main Revel railway workshops, the construction of a special imperial train was completed Latest publications TET Estel celebrates its 151st Birthday! 26 November 2021 Tallinn Electrical Engineering Factory Estel took part in the Inter Airport Europe 2021 16 November 2021 TET Estel will take part in INTER AIRPORT Europe 2021 exhibition 15 October 2021 Any questions? Contact us, we will be happy to answer! Phone : +372 622 8300 Fax : (+372) 622 8301 estel@tet-estel.com Send request EXPERIENCE • SCIENCE • QUALITY Tallinna Elektrotehnika Tehas «Estel» AS Kuuli 6, Tallinn 13619, Estonia Phone: (+372) 622 8300 Fax: (+372) 622 8301 estel@tet-estel.com Products Services Portfolio News Media Career Certified Quality ISO certificates Credit rating EU partners