Some computers don't have USB-C but they probably do have a gigabit Ethernet connection. Your speeds are reaching near max USB-C 3.1 speeds.
I tried looking for the version of these items in English using the listing id's. It's easier to find the model on different regions using the ASIN.
The problem is when you load these links it defaults to the first item.
What sizes are you using for each of the cables... the sideload and cable to adapter?
Also is your USB-C Ethernet adapter the one without the side connector? Or is it the first one?
Sideload
ASIN: B0CLZSZ79H
Part: A0208-0.25
Length: 0.25m
Cable to Adapter
ASIN: B0C1N1KHNP
Part: USBC-29
Model: A0205
Length: 2m
Adapter
ASIN: B0C3GHBLB6
Part: UA95-23
Type: USB-C P+D
Charger
ASIN: B0B7B97J6K
Item: 90666
USB-C Cable
ASIN: B07PLSDPYN
Item: 50150
Length: 1m