About 2 Trademarks found that are owned by Shenzhen PamIan Technology Co LTD

Battery chargers for mobile phones; Cases for smartphones; Cell phone battery chargers for use in vehicles; Data cables; Data processing equipment, namely, couplers; Electrical outlets; Eyeglasses; Flip covers for smart phones; Protective covers for smartphones; Protective films adapted for computer screens; Protective films adapted for smartphones; Rechargeable batteries; Smartphones; Stands adapted for mobile phones; USB cables for cellphones

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