1. Create a complete c+lone in China AWS server for Singapore software and deployment.
2. Install and deploy client web socket software in AWS Singapore separate account for client to use. install and deploy client web socket software and test it in Singapore AWS server and connect to API endpoint server.
Note: route53 DNS and cloudfront needs to be configured properly. If you can do these two things, also migrate the complete data and deployment details from Singapore AWS server to China AWS server.