About 3 Trademarks found that are owned by Dt Infinity Technology Limited

Camcorders; Cameras; Car video recorders; Electric door bells; Electric sockets; Mounting devices for cameras and monitors; Multimedia projectors; Rearview cameras for vehicles; Switches, electric; Wireless transmitters and receivers

Air conditioning apparatus and installations; Air purifying apparatus; Bread-making machines; Electric coffee machines; Electric fans; Electric griddles; Electric hair dryers; Electric heaters for babies' bottles; Electric kettles; Electric torches for lighting; Electrically-heated mugs; Humidifiers; Lamps; LED luminaires; Multi-purpose, electric countertop food preparation apparatus for cooking, baking, broiling, roasting, toasting, searing, browning, barbecuing and grilling food; Water purifying apparatus and machines

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