The robot would have "profound implications for the economy," Musk said, addressing a labour shortage. He said it was important to make the machine not super-expensive
SpaceX in May successfully landed its Starship prototype, SN15, a reusable heavy-lift launch vehicle that could eventually carry astronauts and large cargo payloads to the moon and Mars
Chinese authorities have also been busy reining in the influence of mainland industries including tech giants, and more recently its lucrative private education sector
At Volkswagen, which aims to overtake Tesla as the world's largest electric vehicle (EV) maker by 2025, battery EVs accounted for just 3% of global sales last year.
The S&P 500 has rallied about 17% so far this year, with some investors questioning how long Wall Street's rally may last and concerned about a potential downturn.
Panasonic said earlier this year it would buy the shares of US supply-chain software company Blue Yonder that it does not already own, in a $7.1 billion deal.
China is Tesla's second-biggest market, but the charging site is its first in the country with dedicated solar power and on-site power storage. China's power grid is predominantly fueled by coal.
The carmaker moved into the solar business in 2016 with its $2.6 billion purchase of California-based SolarCity, and has said it is keen to develop its energy business.