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Our workshop is essentially composed of cylindrical grinding machines, CNC machines of latest generation, with or without automatic loader and conventional Swiss quality machines.

We have also several others production appliances, especially metrological ones to guarantee a precision and a constant and high level of quality to our demanding customers.


Our machines are regularly maintained and cleaned to guarantee the tolerances demanding by our trade.

Our investments are up to 95% dedicated to the production to keep up a constant technological level for our precision tools and so guarantee in the future a good supply niche for our customers.


Adress and contact

Fritz-Oppliger-Strasse 19
CH-2504 Biel/Bienne 
T +41 32 343 34 20


Distribution and sales
SISO-Mecanis AG
Gewerbestrasse 15
CH-4123 Allschwil
T +41 61 481 66 44

Opening hours
Monday to Friday
07.30 – 11.45
13.30 – 17.00

All Orders that arrive before 15h00 will be delivered on the same day.



Herewith you will find some files to download, mainly in PDF, Word or Excel format :

Delivery terms RE-AL
Inquiry-form for special reamers
General catalogue 
icone pdf_4 New: XL-reamers'flyer