Phone verification issue on build.nvidia.com for mainland China users

Hello NVIDIA team,

I am trying to register on build.nvidia.com but phone verification is not working for my mainland China phone number.

I already emailed help@build.nvidia.com two days ago but haven’t received a response yet.

Could someone help check my account status or advise how to complete verification?

I can provide my phone number and account email via private message if needed.

Thank you very much.