NIO (NIO) said Sunday it delivered 23,231 vehicles in May, up 13.1% from the same month last year.

The company said the total included 13,270 NIO-branded vehicles, 6,281 from its ONVO line and 3,680 deliveries of its Firefly brand.

Cumulative deliveries totaled 760,789 as of May 31, the company said.