Shenzhen Aosheng, established in 2008, is dedicated to the research, development, production and sales of high-quality electronic products including 1. Extension cables (including HDMI cables, SD extenders, Micro SD extenders USB extenders,etc); 2. Digital countdown timers (including LED timers, LCD timers, Buzzer timers); 3. Car emergency LED light, Remote controlled submersible LED lights; 4. Portable speakers; 5. SD memory card; 6. Customised Card Reader,etc.