Our Success

Story

From Rudolf Spring
through Microdiamant
to Pureon

Our business has been in the hands of the Spring family for three generations. To us, family means showing true dedication and a high degree of involvement in the wellbeing of our company. Below you can find the most important milestones that made Pureon what it is today: the leading global supplier of surface finishing solutions for high-tech materials.

2021

Microdiamant and Eminess Technologies
merge to form Pureon.

The acquisition of US-based Eminess provides
improved access to both the U.S. market
as well as the European and Asian markets.

2020

2019

Founding of Chinese subsidiary
Microdiamant China Co., Ltd in Suzhou City.

Great expansion of product range
in subsidiary company in Japan.

2017

2017

Founding of Chinese subsidiary
Microdiamant China Co., Ltd in Suzhou City.

Launch and patenting of IRINO
composite polishing pad.

2016

2015

Launch of SPLENDIS
universal-use diamond suspensions.

Launch of SQUADRO,
the new generation fine grinding pad.

2014

2013

The GAF process can now also be used in oil,
thus offering great potential for the medical industry.

Start of state-of-the-art production
of diamond grinding wheels with bonded grain.

2013

2008

Start of enginated suspension production.

XP nano-cluster diamond pushes
the limits in high-tech applications.

2006

2003

Invention of GAF process for simple preparation
of agglomerate-free diamond suspension.

Rudolf Spring AG is renamed
to Microdiamant AG.

2002

1995

Invention of GAF Liquid Diamond.

Rudolf Spring AG transforms
into a globally active company.

1974

1970

Invention of the first stable
diamond suspension.

The company
Rudolf Spring AG is founded.

1974

2021

Microdiamant and Eminess Technologies merge to form Pureon.

2020

The acquisition of US-based Eminess provides improved access to both the U.S. market as well as the European and Asian markets.

2019

Founding of Chinese subsidiary Microdiamant China Co., Ltd in Suzhou City.

2017

Great expansion of product range in subsidiary company in Japan.

2017

Founding of Chinese subsidiary Microdiamant China Co., Ltd in Suzhou City.

2016

Launch and patenting of IRINO composite polishing pad.

2015

Launch of SPLENDIS universal-use diamond suspensions.

2014

Launch of SQUADRO, the new generation fine grinding pad.

2013

The GAF process can now also be used in oil, thus offering great potential for the medical industry.

2013

Start of state-of-the-art production of diamond grinding wheels with bonded grain.

2008

Start of enginated suspension production.

2006

XP nano-cluster diamond pushes the limits in high-tech applications.

2003

Invention of GAF process for simple preparation of agglomerate-free diamond suspension.

2002

Rudolf Spring AG is renamed to Microdiamant AG.

1995

Invention of GAF Liquid Diamond.

1994

Rudolf Spring AG transforms into a globally active company.

1970

Invention of the first stable diamond suspension.

1974

The company Rudolf Spring AG is founded.

Insights

DEC 2023

Pureon Monroe Receives Gold Safety Award for Remarkable Workplace

Pureon Monroe, has recently been honored with the more than deserved Gold Safety award.

SEP 2022

Xavier Fourny on the demands of high precision

Once again this year, Pureon participated in EPHJ in Geneva, the international trade fair.

NOV 2021

Seminar for modern grinding technology in Stuttgart Pureon

At the beginning of May, the Competence Center for Machining Technology (KSF) once again hosted.