ShenZhen Hongdayi Digital Technology Co., LTD. Is a professional manufacturer and supplier which focus on designing and producing USB Flash Drive, MP3 player, MP4 Player. Established in 2002, located in Shenzhen, China, After several years of development, we have become a big company. We have our own production facilities, which cover an area of approximately 8, 000 square meters, and employ more than 500 skilled staffs. By means of advanced technology, we have established a modern management system. Owing to this system, we have received CE and FCE certification.