About 2 Trademarks found that are owned by Shenzhen Futian District Constant Dongyuan Electronics Shop

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

Cups; Disposable beverage lid with an integrated press and plunger for placement on any cup for the purpose of infusing beverages; Drinking cups sold with lids therefor; Electric toothbrushes; Heads for electric toothbrushes; Insulating sleeve holder for beverage cups; Kitchen utensil, namely, non-metal flexible lid designed for draining or pressing liquids from a food can; Oral care kit comprising toothbrushes and floss; Plastic coasters; Reusable self-sealing lids for household use for bowls, cups, containers and the storage of food; Reusable straw-fitted beverage lids for placement on jars for household use; Tooth brushes; Tooth brushes, non-electric; Toothbrush bristles; Toothbrush head covers