In this undated photo, a Tesla Model 3 car is displayed during the Tesla China-made Model 3 Delivery Ceremony in Shanghai, China. (PHOTO / AFP)

BEIJING - US electric car maker Tesla has launched a recall of hundreds of vehicles in China due to safety risks posed by defective bolts, China's top quality watchdog said on Thursday.

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The recall involves 311 imported Model 3 vehicles manufactured between Jan 12 and Nov.= 20, 2019, as well as 423 imported Model 3 vehicles produced between Feb. 2 and Nov. 20, 2019, according to a statement from the State Administration for Market Regulation.

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The automaker has promised to conduct tests on the recalled vehicles free of charge and replace defective parts, while advising users to drive carefully before their cars are fixed.