Dear Customer,

We are specialised in metal-to-ceramics vacuum tight joints and technical ceramics for a variety of industries. Our current focus is vacuum technology.

Thank you for your RFQs. We promise to get back to you within 24 hours.









W E   P O W E R   T H E   F U T U R E

Al2O3 technical ceramics in complex applications.

Glass or ceramics to metal hermetic seals. 

We provide standard and custom-made solutions.

We make sintered alumina rings for vacuum applications, brazed vacuum-tight joints, insulators, bushings, metallised ceramic parts, housings for power semiconductors, and many others.


Alumina Systems s.r.o. is part of Alumina Redwitz Holding GmBH


Staff: 70
Contact person: Michal Rufert, CEO,


We are keen to develop expert solutions to your request.

We work with renowned technical universities in the European Union.

We offer solutions in 3D design and are fitted with a 3D printing machine.  



05/04/2018 08:04
The name of the company has changed to Alumina Systems s.r.o. All company details have remained the same, i.e. its registered number, banking connections, contact persons, seat and specialisation. Looking forward to your RFQ. Michal Rufert, CEO Alumina systems s.r.o.
23/03/2018 09:23
Naše společnost změnila svůj název na Alumina systems s.r.o. Výrobní náplň se nezměnila, sídlo je totožné a identifikační, daňové i bankovní údaje zůstaly stejné jako u Lapp Insulators Alumina s.r.o. Naše zákazníky, dodavatele a partnery uvědomíme o změně písemnou formou. Děkujeme za dosavadní...
17/07/2016 12:46
We will provide you with latest technologies - such as 3D printing of ceramic parts, parts for vacuum systems and signal processing. lapp-insulators-alumina-flyer-2016-eng.pdf (1,7 MB)      
17/07/2016 12:32
We are in contact with technical institutes and universities within the EU and provide them with vacuum technology solutions - high purity materials and high stress - temperature, atmosphere, strength etc. See samples below:
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Alumina Systems s.r.o. Kladská 916/65
Hradec Králové
+420 495 407 549