Over 30 companies and more than 50 delegates from the life sciences sector travelled to Düsseldorf as part of the Welsh Government trade mission.
Roedd dros 30 o gwmnïau a mwy na 50 o gynrychiolwyr o'r sector gwyddorau bywyd wedi teithio i Düsseldorf eleni, fel rhan o daith fasnach Llywodraeth Cymru.