We are glad to introduce Shenzhen RongYu Technology Co .,Ltd ,as a specialized manufacturer and exporter for USB Flash disk, MP3 & MP4 player , Wireless Mouse, MP3 Speaker, PC Camera, MMC Card,RS-MMC Card, SD Card in China. 1) Founded in 1990s, Shenzhen Rongyu Technology Co. Ltd is a hi-tech company specializing in research, development, manufacturing and marketing of electronic products. 2) We have well trained workers to secure the quality. We are committed to research and develop, manufacture and sell the electronic products and electronic gifts. 3) All our products come out to the market after strict quality control. And we provide complete professional before and after-sales service. 4) We also supply OEM and ODM items or items to your own design, customized to incorporate your company logo and motto. 5) We spare no effort to keep quality control and shipment schedule, and competitive price, of course, to best meet very individual needs. 6) Our basic aim is to offer the best price under the same quality and offer the best quality under the same price.