Jena Rotary Technology
1992 Jena Rotary Technology Ltd. was established as a UK distribution company for the precision instruments manufactured by the former Carl Zeiss-owned Jenaer Gewindetechnik GmbH of Jena, Germany.
1994 Ferraris acquired the Jenaer business. The Jena Companies continued to expand their customer base
1996 Jena-Tec Inc. was established as a distribution facility in the North American market.
1997 Medical products and precision components[1]
Jena Rotary Technology the UK sales and service arm of the Jenear Group was appointed as the official sales and service partner for GMN Spindles.
2002 Avingtrans acquired [2]the Jenaer Group of Jenaer Gewindetechnik GmbH, Jena-Tec Inc., Jena Rotary Technology Ltd. and C&H Precision Finishers Ltd.
Now Jena Tec Precision Ltd., Sherwood Park, Annesley, Nottinghamshire