Implement Zoom api in china web domain

Hi there,
I want to implement zoom api in the android app. everything is fine when I’m testing in Melbourne. I have send the client terminal to my china customer. and they can not initialize Zoom SDK. Is there any solution to give access to the chinese User?

Failed to initialize Zoom SDK. Error 3, internal Error Code =5003

some of android phones are available to use, but the teclast tablet is still failed

Hey @zhaoyiming2014app,

Which Zoom API or SDK are you using? Please share links so we can help.