They’re moving from cheaper (more exploited labour) in Thailand, Vietnam to more expensive (less exploited) labour in China for lower chip costs:

HP and Asus are moving some PC production from Thailand and Vietnam back to China as AI-driven component costs climb The work is going to Chinese assemblers like Luxshare and Huaqin rather than Taiwan’s server-focused ODMs, partly for access to Chinese memory TrendForce expects the share of notebooks built outside China to slip from 24% to 21% this year, with no sign yet of cheaper PCs as a result of said move back to the country

Previously they had moved prod from China to Vietnam and Co as Chinese wages kept rising.

While simultaneously hitting the gas pedal on the 6 decade long intentional destruction of the middle class.