The Matebook has an AC 8275 wireless card. I successfully got the Matebook to connect to WiFi using the attached kext.
You need to modify the kext's Info.plist as follows (shown using PlistBuddy commands):
/usr/libexec/PlistBuddy -c "Set :IOKitPersonalities:AppleIntelWiFi:IFConfig:NWID SSID" Info.plist
/usr/libexec/PlistBuddy -c "Set :IOKitPersonalities:AppleIntelWiFi:IFConfig:WPAKEY PWD" Info.plist
Where SSID is the SSID of the network you want to connect to and PWD is the WPA password of the network.
Everything I have read about the kext warns to manually kextload it when you want to use it and to not put it in /S/L/E, /L/E, or Clover kexts/other because it can fail too easily and prevent the system from booting.
Here is a convenient set of commands for manually loading the kext:
sudo mv ./AppleIntelWiFi.kext /tmp
sudo chown -R root:wheel /tmp/AppleIntelWiFi.kext
sudo kextload /tmp/AppleIntelWiFi.kext
The kext causes a KP if you try to kextunload it (I tried), so if you want to change to another network, you need to reboot, edit the kext, and load it.
AppleIntelWiFi.kext.zip