Musk in China
Tesla boss Elon Musk (L) walks with Shanghai Mayor Ying Yong during the ground-breaking ceremony for a Tesla factory in Shanghai on January 7, 2019.
  • Elon Musk visits China to expedite Tesla's full self-driving tech rollout, say reports.
  • Musk is set to meet with senior Chinese officials. 
  • Tesla faces increased competition and scrutiny amid declining revenue and layoffs.

Tesla CEO Elon Musk touched down in China on Sunday in the tech billionaire's second trip in less than a year to the world's biggest market for electric vehicles.