Shenzhen Yiyou Innovation Technology Co., Ltd. (E-Friend), founded in 2012, is a technology-based brand company focusing on NAND flash memory applications, storage chip customization and storage software development. The company's own brands "Vitelic" and "Villeco" have launched eMMC, SSD, SD, Micro SD, SD NAND and other storage products, providing professional design services for customers through solutions, reference design and technical support. The products are widely used in enterprise storage, communication system, smart grid, security monitoring, video transmission, vehicular, rail transit, medical, industrial automation and many other fields. We strive to build a value-oriented brand, continue to launch high-quality products, and expect to become an emerging leader in storage electronics.