Phone
+43 3135 52 990
Opening hours
Mon – Thurs from 8:00 to 16:30
Fri from 8:00 am to 12:30 pm
2023
Commissioning of our own photovoltaic system with 7,000 m² and anoutput of 720 kW

2023
2023
Transfer: 49% of the company shares held by Mr. Gottfried Michael Vieltorf are transferred to his son, Thomas Vieltorf.
2013
Establishment of the subsidiary Ferromod GmbH, which develops and manufactures concrete block molds for the building materials industry.
2013
2012
Certification according to EN 15085-2 CL1 - Welding of railway vehicles and vehicle parts.
2011
Construction of a new company headquarters in Kalsdorf near Graz with a total production and storage area of 2,500m².
2011
2005
Establishment of the subsidiary “TE-PRO d.o.o.” in Croatia as a second production site with a total production and storage area of 14,000 m².
1998
Certification in accordance with DIN ISO 9001
1998
1977
The Graz plant is independently managed by its owner and managing director, Mr. Gottfried Michael Vieltorf, under the company name “Ferrotechnik mech. Werkstätte und Härterei GmbH.” The company is primarily involved in the design and manufacture of attachments for construction machinery. It also acts as a contract manufacturer for well-known corporations.
1936
Company founded under the name Karl Broda KG with headquarters in Vienna and Graz. Business purpose: Forging and steel hardening, regeneration, repair, and subsequently also new production oftrack components.
1936