About 2 Trademarks found that are owned by Shenzhen Tianyuan Industrial Co Ltd

Battery chargers for mobile phones; Cabinets for loudspeakers; Cell phone battery chargers for use in vehicles; Cell phone cases; Converters for electric plugs; Data cables; Ear phones; In-car telephone handset cradles; Lenses for smartphone cameras; Mobile phone cases featuring rechargeable batteries; Stands adapted for mobile phones; Television and video converters; USB cables; Wireless chargers; Wireless headsets for smartphones

The mark consists of stylized wording "Euler" with the design of frame.