The Bay Bridge faults have non-trivially been blamed (rightly or wrongly is unclear) on Shanghai Zhenhua Heavy Industries Company who provided a lot of the mate

The Bay Bridge faults have non-trivially been blamed (rightly or wrongly is unclear) on Shanghai Zhenhua Heavy Industries Company who provided a lot of the materials [1]. The Wikipedia article doesn't talk about the steel itself (surprisingly!) but does mention they did the deck work, the automatic welds, and so on. There was plenty of blame to go around though. [1] https://en.m.wikipedia.org/wiki/Eastern_span_replacement_of_the_San_Francisco–Oakland_Bay_Bridge https://en.m.wikipedia.org/wiki/Eastern_span_replacement_of_...