Add Your News Chaos at Apple supplier shows strains of Shanghai COVID lockdown Quanta Shanghai Manufacturing City would seem like an ideal site to implement China's "closed-loop" management system to prevent the spread of COVID that requires staff to live and work on-site in a secure bubble. Sprawled over land the size of 20 football fields, the campus houses factories, living quarters for 40,000 workers, some living 12 per room, and even a supermarket. But as COVID -19 breeched Quanta's defences, the system broke down into chaos on Thursday. Videos posted online showed more than a hundred Quanta workers physically…