Open this photo in gallery: Tesla CEO Elon Musk leaves a hotel in Beijing, on May 31.TINGSHU WANG/Reuters Tesla Inc TSLA-Q Chief Executive Elon Musk departed Shanghai on Thursday, wrapping up a two-day trip to China in which he met senior Chinese government officials including the highest-ranking vice premier. Photos and a video of Musk’s visit late Wednesday to Tesla’s Shanghai factory – the automaker’s biggest production hub – showed him holding up a “Giga Shanghai” sign, flanked by hundreds of staff including Tom Zhu, head of global manufacturing. The video released by Tesla showed Musk praising employees for “overcoming...