About 4 Trademarks found that are owned by Shenzhen Zhongdun Technology Co Ltd

Automatic indicators of low pressure in tyres; Blank USB flash drives; Boom boxes; Car video recorders; Computer monitors; Computers and computer peripheral devices; Contact lenses; Data cables; DVD machines; Earphones; Electric batteries; Electric sensors; Encoders; Keyboards for smartphones; Lens filters; Liquid crystal display (LCD) monitors; Mounting devices for cameras and monitors; Protection masks; Protective cases for smartphones; Protective face-shields for protective helmets; Sensors and detector units for use in controlling the actuation and operation of automotive safety apparatus and equipment; Smartphone mounts; USB cables; Videorecorders; Wearable video display monitors; Wireless headsets for smartphones; Wireless routers; Adjustable smartphone and PC tablet stabilizers and mounts; Cell phone cases; Computer keyboards; Head-clip cell phone holders

Color is not claimed as a feature of the mark.

Color is not claimed as a feature of the mark.

The wording "DOUMAN" has no meaning in a foreign language.