I found this page: glassBYTEs.com | AGRR and Insurance Industry News it has many windshield horror stories in the Forum.
This testing site would be useful, if it was local: https://www.tuv.com/world/en/automot...h-ece-r43.html
See also: Windshield distortion; replaced 3 times and they're all distorted. Losing it! - Toyota RAV4 Forums
We do have quality glass in our cars:
DOT #: 184 MFR: Hankuk Sekurit Ltd.www.hansekurit.en.ec21.com HANGLAS
I now have a photo of the details on my windscreen:
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