- Beijing Spirit Technology Development Co. Ltd
- Main products: Dot-matrix printers,GSM/CDMA wireless terminals,Handheld POS terminals,POS systems,POS terminals,Panel printers,Portable industrial printers,Receipt printers,Thermal printers
- Beijing [Verified]
- Shenzhen Qiyin Electronic Co.,Ltd
- Main products: Computer microphones,Earphones for iPhone,FM transmitters for iPhone,Mini microphone for iPhone,Mobile electronics OEM & ODM services,Mobile phone karaoke microphones,Wireless earphones
- Beijing [Verified]
- Ningbo Langsun Audio Co.,Ltd
- Main products: Car speakers,Car subwoofers,Horn/siren speakers,Microphone accessories,PA speakers,PA systems,Raw speakers,Speaker stands,Stage loudspeakers & monitors,Truss crank stands
- Beijing [Verified]