One Joon


ONEJOON GmbH is a German based thermal processing equipment manufacturer with locations in Bovenden and Böblingen Germany. ONEJOON recently acquired Eisenmann Thermal Solutions and the new company has a combined 100 years of experience with high temperature equipment used in the Thermal Processing industry. ONEJOON GmbH has 195 employees at its locations in Germany, 108 of them in Bovenden and 87 in Böblingen.

ONEJOON is the technology and market leader for oxidation ovens and carbonization furnaces used in the production of carbon fiber. ONEJOON also has a very strong position in the markets for cathode and anode material production for lithium-ion batteries. Other key target markets include the following:


  • Hardening of blades and saw bands
  • Sintering of metals and ceramics
  • Heat treatment of aluminium wheels
  • Powder chemistry and advanced materials

ONEJOON supplies not only customized furnace technology but can also provide all supporting equipment and services as well. This includes the application of automation equipment, material flow expertise, process integration and system optimization.

Since the acquisition of Eisenmann Thermal Solutions in January 2020, all operations in Germany, USA and China are now subsidiaries of ONEJOON Group.

ONEJOON GmbH have appointed TEPM as their local representative in South Africa, working together to support existing customers, execute upgrades and provide after-sales support.


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