Yongnuo

Yongnuo is the international trademark of photographic equipment manufacturer Shenzhen Yong Nuo Photographic Equipment, of Shenzhen, China. It manufactures camera lens, teleconverters, flash equipment, cable releases and other photographic equipment. Yongnuo make compatible autofocus prime lenses for Canon and Nikon DSLR cameras.
Mirrorless camera.
As of November 2018, Yongnuo was developing an Android smartphone based mirrorless interchangeable-lens camera, with 4G connectivity. The YN450 was released just in China in 2019 using the Canon EF lens mount. In 2020 Yongnuo was developing a version using the standard Micro Four Thirds system lens mount.
Lenses.
Most, but not all, lenses have two versions for Canon or Nikon mounts.
Flash equipment.
Yongnuo manufacture a range of flash equipment including versions for macro usage and with optical and radio remote control capable of master and slave usage. LED lights for video usage are also manufactured.