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.  



03/05/2013 08:50
07/04/2013 11:03
- Weldable, ISO KF, ConFlat: Voltage Rating 15 kV DC Insulators - isolators  
16/03/2013 06:57
 - Weldable, ISO KF, ConFlat: Voltage Rating 30 kV DC     Insulators - isolators
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Alumina Systems s.r.o. Kladská 916/65
Hradec Králové
+420 495 407 549