About 2 Trademarks found that are owned by Shenzhen Pinsheng Detong Technology Co Ltd

Bags adapted for laptops; Batteries, electric; Battery chargers; Battery chargers for electronic cigarettes; Cabinets for loudspeakers; Cases adapted for holding smartwatches; Cases for pocket calculators; Cases for smartphones; Covers for personal digital assistants; Covers for smartphones; Covers for tablet computers; Disposable computer keyboard covers; Earphones and headphones; Fitted plastic films known as skins for covering and providing a scratch proof barrier or protection for electronic devices, namely, MP3 players, mobile telephones, smart telephones, digital cameras, global positioning systems and personal digital assistants; Protective films adapted for computer screens; Protective films adapted for smartphones; Rechargeable batteries; Sleeves for laptops; Smart watches; Smartwatch straps

The mark consists of the wording "SIWENGDE" in stylized form.