Google encourages to use its open source code:
https://www.zdnet.com/article/google...-to-the-world/
Redcore (China) used it and admitted using it:
https://www.scmp.com/tech/article/21...es-chrome-says
Cốc Cốc (Việt Nam) also used Google open source code to develop its own browser (for Vietnamese users):
https://coccoc.com/
Give it a try. You might like it.