About Us

“Since its invention by Jozef Lemmens, more then 50 years ago, GrindoSonic® became gradually the industry standard for Non Destructive Testing based on Impulse Excitation Technique (IET).
With more then 1500 systems installed worldwide, GrindoSonic® is the recognised market leader.
Reliability, ease of use, state of the art technology and excellent service are our company’s DNA. “


Jan 2018

We are looking for an Application Engineer.
Check the jobs page on our website.

1 - 3 May 2018

Ceramics Expo Cleveland – OH
IX Center Booth 705

23 - 27 April 2018

Control Stuttgart – Hall 7 Booth 7425

End 2017

New dealer in Brazil

19 Jul 2017

Launch of the GrindoSonic® MK7

01-04 Jun 2017

EVENT: China International Ceramics Industry Exhibition
China Import and Export Fair(Canton Fair Complex), Guangzhou

09-12 May 2017

EVENT: Control Stuttgart
Hall 4  Booth 4128

25-27 April 2017

EVENT: Ceramics Expo Cleveland, OH
X Center  Booth: 1011


"launch of new In-Line system GrindoSonic® IL for 100% production QA-QC"


"Launch of the new GrindoSonic® HT system for materials testing at high temperatures"


“Launch of new Semi-Automatic System: GrindoSonic® SA”


“Lemmens - GrindoSonic® moved into a new building as of January 1st 2016: Research Park - Esperantolaan 4 - 3001 Leuven - Belgium”