Shenzhen jingcheng express jia technology co., LTD., founded in 2009, headquartered in shenzhen baoan district, follow the "high-tech, high starting point, large-scale, internationalization" of the concept of enterprise development, the introduction of today's international trade of the world's most advanced equipment, on its own capital, talent, technology advantages, its own research and development, production, and is wearing a card headphones, bluetooth headset, headphones, cell phone ear hanging small headset, bluetooth headset and car MP3,. The products of the company based on domestic, radiation Europe and the United States and other parts of the world