In the first quarter, Tesla sold 229,322 China-made vehicles, contributing 54 percent of its global deliveries in the quarter.
Tesla sold 88,869 China-made vehicles in March, including exports, according to data released today by the China Passenger Car Association (CPCA).
That's up 35.03 percent from 65,814 vehicles in the same month last year and up 19.44 percent from 74,402 vehicles in February.
This is the second highest China-made vehicle sales ever for Tesla, behind the 100,291 units sold in November of last year.
The sales include sales in China as well as exports, and the breakdown is expected to be available in the coming days.
In the first quarter, Tesla's China-made vehicle sales were 229,322, up 25.88 percent from 182,174 in the same period last year.
Tesla has a factory in Shanghai that currently produces only the Model 3 and Model Y.
The EV maker delivered 422,875 vehicles worldwide in the first quarter, including 412,180 Model 3 and Model Y vehicles and 10,695 Model S and Model X vehicles, according to data it released April 2.
Today's figures mean that 54 percent of Tesla's global deliveries in the first quarter were made at its Shanghai plant.
Tesla doesn't publish its deliveries in China, the CPCA publishes those numbers every month.
Including exports, Tesla sold 66,051 and 74,402 China-made vehicles in January and February, respectively.
Tesla delivered 26,843 and 33,923 vehicles in China in January and February, respectively, and its Shanghai plant exported 39,208 and 40,479 vehicles in those two months, according to the CPCA.
In addition, Chinese media outlet 36kr reported earlier today that Tesla is planning up to 4 million units of annual production capacity for one of a lower-priced model, a smaller version of the Model Y.
Tesla's North American factories will take on 2 million units of capacity, with the Monterrey, Mexico, plant providing most of it. Its plants in Berlin, Germany, and Shanghai will each take on 1 million units of capacity, the report said.