About 3 Trademarks found that are owned by Yucong Jiang

Earphones; Headphones; Wireless chargers

Audio transmitter units; Computer hardware and peripherals therefor; Desk or car mounted units incorporating a loudspeaker to allow a telephone handset to be used hands-free; Earphones and headphones; Electric cables, wires, conductors and connection fittings therefor; Protective covers for smartphones; Smartwatch straps; USB dongles being wireless network adaptors

Ankle bracelets; Bangle bracelets; Choker necklaces; Cuff links and tie clips; Drop earrings; Hoop earrings; Jewellery and precious stones; Jewelry and imitation jewelry; Prayer beads