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ALD Vacuum Technologies

Engineering combined with performance technology

Customized system technology and solutions

Growth momentum through technological innovation

Strong international presence and worldwide operation



As the world’s leading manufacturer of vacuum equipment for vacuum metallurgy and heat treatment, we employ approximately 900 people in 10 countries. We set standards through innovative products, state-of-the-art technology, comprehensive service and maximum flexibility. Integrated in a listed Group environment, we understand how to give our employees freedom, to transfer responsibility and to promote them.

We are ALD

Successful for over 100 years.

ALD Vacuum Technologies supplies equipment and systems for thermal and thermo chemical treatment of metallic materials in solid and liquid form. The company`s competence consists on the one hand of its mastery in vacuum process technology and on the other hand of ist know-how in designing custom-tailored system solutions for use in this field.

ALD is noted for its superb know-how basis, high investments in research and development and its strategic alliances. Close collaborations with well-known manufacturers in operator companies have strengthened its position as a supplier of key technologies to major growth markets.


This involves designing and supplying systems and processes for treating metallic materials in liquid form – particularly vacuum systems for the melting, casting and remelting of metals and alloys, metals for solar cells as well as special coating equipment for turbine blades.

This includes vacuum furnaces for heat treating metallic materials. Such equipment is used for heat treating of tools, high precision parts for engines and fuel injectors as well as for transmissions. Sintering of high strength cemented carbides and special oxides is also a part of heat treatment.

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