"Amidst the ongoing trade war with the United States, China has opted to place steep tariffs on vehicles imported from abroad, including Tesla’s electric cars."
https://www.teslarati.com/elon-musk-shanghai-tesla-gigafactory-china-500k-production/
CEO Elon Musk has suggested that there could be up to 40 "bad apples" who have committed "sabotage" against the company in an apparent effort to thwart Tesla's ambitious promised ramp-up to producing 5,000 Model 3s per week.
https://arstechnica.com/tech-policy/2018/07/tesla-whistleblower-tells-sec-of-alleged-wrongdoing-at-gigafactory/
Tesla started brush clearing and grading the land for Gigafactory 1 in the summer of 2014, and as of date, the expansive battery factory is still less than 30% complete.
https://www.teslarati.com/tesla-gigafactory-3-china-construction-timeline/