Sensing a tingling in your fingertips? That’s the intrinsic
urge to Contact Us


Please feel free to contact us for information about
CHO, our products & services and our research.

We are happy to tell you our story and to share the fun!



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Give us a call

+31 88 4301 000

Or get social


The Yard
Karspeldreef 8
1101 CJ, Amsterdam