Founded in 2003, Shenzhen Aosheng Electronic Factory is a professional manufacturer of computer peripherals, such as SD/SDHC Extension Cables (our patented products), Digital timers, Portable Speakers, Memory Cards, Card Readers, USB Flash Drive, USB Hubs, Calculators, LED key chain Products and Electronic gift Calendars. Currently, we have more than 50 employees including more than 5 technical and management employees. With a 600-square-meter factory,3 production lines,two sets Ultrasonic ...