Tesla CEO Elon Musk speaks at the ground breaking for the automaker's new factory in Shanghai.

Tesla CEO Elon Musk and Shanghai Mayor Ying Yong celebrated on Monday the ground breaking of the electric automaker's first non-U.S. factory.

"China is becoming the global leader in electric vehicle adoption, and it is a market that is critical to Tesla's mission to accelerate the world's transition to sustainable energy," Musk said, according to a company statement coinciding with the ceremony for the Shanghai factory.

In Twitter posts before the event, Musk said that the factory will produce "affordable versions" of Model 3 and Model Y vehicles for the Greater China region, and that the plan is to "finish initial construction this summer, start Model 3 production end of year & reach high volume production next year."

According to the company, the so-called Gigafactory in Shanghai "will allow Tesla to localize production of Model 3 and future models sold in China, with plans to eventually produce approximately 3,000 Model 3 vehicles per week in the initial phase and to ramp up to 500,000 vehicles per year when fully operational (subject to local factors including regulatory approval and supply chain constraints)."