"Warning! This product is region locked. It CAN be activate ONLY in CHINA. If your region is not CHINA, you need use VPN to change your IP to CHINA first, then you can activate the code, and play the game free region; If you do not have VPN, offer us your steam account information, we can activate the code for you too; "
For VPN, you can try to use VPNGate/Softether VPN, FREE
Or some other method of your choice.