Repair Kit, air dryer: where are they made?

3 parts with their declared country of origin.

PartBrandMade in
1.31983
Repair Kit, air dryer
DT SPARE PARTS🇩🇪 Germany
181512
Repair Kit, air dryer
FEBI BILSTEIN🇩🇪 Germany
PN-RW0003
Repair Kit, air dryer
PNEUMATICS🇨🇳 China