Posted by: @sapphireskyhttps://qph.fs.quoracdn.net/main-qimg-3639077e7fcfa7c55d9ab96692ff8e5d
Where is the source of Austonesian origins in China. I hardly doubt that this theory is credible
https://thericejournal.springeropen.com/articles/10.1186/s12284-018-0247-9
To this day there are austronesians living in Fujian province. Shandong (debatable) > Fujian > Taiwan > Philippines > The rest of the expansion.