These documents give different origins for VS-IMU-9. The AI is never asked which one is right: a person settles it, with a reason, or keeps the conflict.
Rechnung (Rechnungsnummer RE-26-04172) says Germany
From "Ursprungsland: DE"
CUSTOMS DECLARATION - IMPORT (H1) says China
From "Country of origin CN"
Do not type component names, costs or countries here.