2 ms·
Given their previous track record of rampant IP theft (from EU + Japan in addition to US), it's rather likely that these Chinese companies "developed" this tech
by throw10920 5y ago
Given their previous track record of rampant IP theft (from EU + Japan in addition to US), it's rather likely that these Chinese companies "developed" this technology through IP theft, rather than greenfield development.
That's also a contributing factor to their products being affordable - because they don't have any R&D costs to recoup, just those associated with espionage.