Chinese startup's 'self-made' web browser built on Google Chrome August 19, 2018 https://www.zdnet.com/article/chinese-startups-self-made-web-browser-built-on-google-chrome/
Weird, was this really so hard to figure out? You basically got only 3 browser platforms: Edge, Firefox and Chromium. It would have been pretty major if some company developed a browser engine from scratch.