Shenzhen Supernal Technology Ltd. is located in Shenzhen of China, which near to the HK, our company was established in 2012, and we are the E-commerce company and built by manufacturer, we are a young and energetic company. Our investor are specialize in study, develop and manufacture all type of car kits, include hands-free Bluetooth speakerphone,Car MP3 MP4, FM transmitter, GPS navigation, car alarm detector, and interior of car decoration(car pillow, car waist pillow, car cushion).In ...