Tesla Inc operated its Shanghai plant well below capacity, showcasing the problems factories face in trying to ramp up production as part of an increasingly stringent COVID-19 lockdown, while Beijing has continued to struggle with a small but elusive outbreak. Many of the many corporations that have reopened factories in Shanghai in recent weeks have struggled to get production lines up and running and keeping staff in a “closed loop” system. Even if they are perfectly successful, those corporations have suppliers that face challenges. Photo: Reuters The latest sign of struggle with increased production under COVID-19 regulations came from Tesla’s…